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Topic: M4


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In the News (Thu 31 Dec 09)

  
  Globular cluster M4   (Site not responding. Last check: 2007-10-12)
Globular cluster M4 Globular cluster M4 The globular cluster Messier 4 (NGC 6121) in Scorpius, shown from a 15-second V-band exposure with a Tektronix 2048x2048 CCD at the prime focus of the 4-meter Mayall telescope of Kitt Peak National Observatory.
M4 is among the closest globular clusters, as seen from its large apparent size.
HST images have identified white dwarfs in M4, potentially important as an age indicator completely independent of the uncertainties in modelling evolution of main-sequence and giant stars.
www.astr.ua.edu /gifimages/m4v.html   (155 words)

  
 Messier Object 4
M4 can be detected by the naked eye under very dark skies (1.3 degrees west of Antares), and is prominent with the slightest optical aid.
M4 would be one of the most splendid globulars in the sky if it were not obscured by heavy clouds of dark interstellar matter.
M4 is one of the most open, or loose, globulars, as its classification in concentration class IX indicates.
www.seds.org /messier/m/m004.html   (788 words)

  
 APOD: 2000 May 23 - M4: The Closest Known Globular Cluster   (Site not responding. Last check: 2007-10-12)
M4 is perhaps the closest globular cluster at 7000
M4 only as it was 7000 years ago, near the dawn of recorded
A particularly unusual aspect for a globular cluster is M4's central bar of stars.
antwrp.gsfc.nasa.gov /apod/ap000523.html   (143 words)

  
 Астронет > M4: The Closest Known Globular Cluster
M4 is perhaps the closest globular cluster at 7000 light years, meaning that we see M4 only as it was 7000 years ago, near the dawn of recorded human history.
Although containing hundreds of thousands of stars and spanning over 50 light-years, M4 is one of the smallest and sparsest globular clusters known.
M4, pictured above, is one of the oldest objects for which astronomers can estimate age directly.
www.astronet.ru /db/msg/1162628   (182 words)

  
 YoLinux.com Manpage: m4
DESCRIPTION The m4 utility is a macro processor that shall read one or more text files, process them according to their included macro statements, and write the results to standard output.
OPTIONS The m4 utility shall conform to the Base Definitions volume of IEEE Std 1003.1-2001, Section 12.2, Utility Syntax Guidelines, except that the order of the -D and -U options shall be significant.
STDERR The standard error shall be used to display strings with the errprint macro, macro tracing enabled by the traceon macro, the defined text for macros written by the dumpdef macro, or for diagnostic messages.
node1.yo-linux.com /cgi-bin/man2html?cgi_command=m4   (2490 words)

  
 GNU M4 - GNU Project - Free Software Foundation (FSF)   (Site not responding. Last check: 2007-10-12)
GNU M4 is a macro processor in the sense that it copies its input to the output expanding macros as it goes.
m4 can be used either as a front-end to a compiler or as a macro processor in its own right.
GNU M4 is being actively developed, and version 2.0 will have many new features, such as better input control, multiple precision arithmetic and loadable modules.
www.gnu.org /software/m4/m4.html   (291 words)

  
 Chapter 15. m4 Macro Processor Overview   (Site not responding. Last check: 2007-10-12)
The m4 macro processor is a front-end processor for any programming language being used in the operating system environment.
When the macro is used, the m4 macro processor replaces the symbol with the value of the indicated argument.
The output of the m4 program can be redirected again to temporary files during processing, and the collected material can be output upon command.
www.unet.univie.ac.at /aix/aixprggd/genprogc/m4macro.htm   (2089 words)

  
 M4 ECU
The M4 is our 4 cylinder/rotary Sequential and 6, 8, 10 and 12 Cylinder Semi-Sequential Engine Management System (ECU) designed to provide you with the power and quality of our M800 ECU series but at lower cost by letting you option in only the features you require.
The M4 can be triggered by either a hall effect switch, a logic drive or a magnetic sensor, with various signal types and with intelligent signal filtering insuring proper signal to noise ratio at any rpm.
The heart of the M4 is a Motorola 32 bit microcontroller with a time co-processor, a choice which puts it at the leading edge of automotive control systems.
www.motec.com /products/ecu/m4ecu.htm   (618 words)

  
 m4
m4 is a macro processor, in the sense that it copies its input to the output, expanding macros as it goes.
Beware that `m4' may be dangerous for the health of compulsive programmers.
This is useful, for example, when `m4' is used as a front end to a compiler.
www.ss64.com /bash/m4.html   (1123 words)

  
 Autoconf, Automake, and Libtool: M4
M4 is a general purpose tool for processing text and has existed on Unix systems of all kinds for many years, rarely catching the attention of users.
GNU M4 is the GNU project's implementation of M4 and was written by René Seindal in 1990.
This deficiency is the primary reason that this chapter exists--it is important to have a good working knowledge of M4 in order to use the GNU Autotools and to extend it with your own macros (see section 23.
library.n0i.net /linux-unix/programming/au-to/autobook_191.html   (259 words)

  
 Special Operations.Com
M4/M4A1 5.56mm Rifle - SOPMOD M4 The M4 is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock.
The M7 bayonet-knife is used as a bayonet on the M16 rifle series, the M4 carbine and as a hand weapon.
The M9 multipurpose bayonet system is used as a bayonet on the M16 rifle series, on the M4 carbine series, as a hand weapon, as a general field and utility knife as well as a wire cutter together with its scabbard, and as a saw.
www.specialoperations.com /Weapons/M4.html   (491 words)

  
 $1   (Site not responding. Last check: 2007-10-12)
m4 is a macro processor, meaning that it copies its input to the output, expanding macros along the way.
Like cpp, m4 was originally written as the pre-processor for a programming language (Rational FORTRAN), however, m4 is much more powerful and feature-rich than cpp, which makes it much more useful than just defining constants in programs.
Usually, m4 will expand macros within both the macro name, as well as the macro body unless you tell it not to by quoting.
www.csis.gvsu.edu /~adams/Blosxom/Scholarship/Papers/m4.asc   (1256 words)

  
 Colt Weapon Systems   (Site not responding. Last check: 2007-10-12)
The Colt M4 Commando is a versatile weapon system with proven combat utility and performance providing the operator with the confidence required to accomplish any mission.
The Colt M4 Commando is the most compact of Colt’s 5.56mm family of weapons.
Furthermore, Colt’s M4 Commando is often chosen over smaller less powerful sub-machine guns, allowing for full 5.56mm power and accuracy, in a sub-machine gun size weapon.
www.colt.com /mil/M4Com.asp   (274 words)

  
 M4 - Wikipedia, the free encyclopedia
M4 Sherman, the main allied tank in World War II M4 Carbine, a family of firearms descended from the M16 and AR-15
M4 motorway, a road in the Republic of Ireland running from Lucan to west of Kinnegad on the Dublin-Sligo route
Metroad 4 and/or M4 Western Motorway, in Sydney, New South Wales
en.wikipedia.org /wiki/M4   (194 words)

  
 Modern Firearms - M4 and M4A1 carbine / assault rifle
M4 carbine with older style M203 40mm grenade launcher.
For this purpose M4 was latter modified with the M16A3-style flat-top receiver with integral Picatinny-type accessory rail instead of the M16A2/M4-type integral carrying handle.
The other change in the M4A1, when compared to M4, is that its trigger unit is modified to fire full-auto instead of the three shots bursts.
world.guns.ru /assault/as17-e.htm   (922 words)

  
 Linux, Unix, /etc/: An Introduction to m4
m4 implementations on BSD may differ slightly; but by and large, m4 is m4, and this article should be useful for other Unix users too.
GNU m4 also allows use of # as a comment character, with the different that such comments *are* passed to the output stream.
The sendmail source distribution comes with a set of m4 macro definition files which are sufficient to generate a sendmail.cf for practically any site; at most, a little tweaking of the resulting sendmail.cf file (whose syntax has been memorably and justly compared to line noise) may be required.
lue.dyn.dhs.org /2005/20050720130900.html   (2044 words)

  
 Sendmail cf/README -   (Site not responding. Last check: 2007-10-12)
Since m4 uses single quotes (opening "`" and closing "'") to quote arguments, those quotes can't be used in arguments.
Unfortunately, the M4 on BSDI 1.0 doesn't work -- you'll have to use a Net/2 or GNU version.
GNU m4 is available from ftp://ftp.gnu.org/pub/gnu/m4/ (check for the latest version).
www.sendmail.org /m4/intro_m4.html   (320 words)

  
 The M4 Sherman
Initially known as the T6 Medium Tank, the M4 "General Sherman" would go on to become one of the most important and most produced tanks of WW2 and was only out produced by the Soviet T34.
Seeing battle on all fronts and in a plethora of forms, the tank would become one of either fond or awful memory to the soldiers who handled it.
Top row shows the pilot M4, a M4 crew and kit, and a cutaway drawing.
mailer.fsu.edu /~akirk/tanks/UnitedStates/mediumtanks/M4/M4.html   (979 words)

  
 M4 Exhaust
M4 Exhaust is U.S. built and is available in oval aluminum, carbon fiber or titanium.
M4 Exhaust offers standard, race, and high mount configurations.
M4 Exhaust is louder than some pipes at idle, while quieter than most at full load and have an overall sound level of 98 dBA.
www.exoticsportbike.com /m4.htm   (142 words)

  
 GNU M4 macro processor
GNU M4 This manual is for GNU M4 (version 1.4.7, 23 September 2006), a package containing an implementation of the m4 macro language.
implementations, and issues a warning because it may be withdrawn in a future version of GNU M4.
If you have problems with GNU M4 or think you've found a bug, please report it.
www.gnu.org /software/m4/manual/m4.html   (9389 words)

  
 The m4 Macro Package | Linux Journal
Some people [find] m4 to be fairly addictive...learning how to write complex m4 sets of macros....Once really addicted, users pursue writing of sophisticated m4 applications even to solve simple problems....Beware that m4 may be dangerous for the health of compulsive programmers.
Usually, m4 will expand macros within both the macro name and the macro body unless you tell it not to by quoting.
Thus, using m4 i can have a variety of application versions, by only pointing the compilers to the list of automatically generated files.
www.linuxjournal.com /article.php?sid=5594   (1508 words)

  
 Ghost Recon Arms - M4
The M4 is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock.
The M4 is a shortened version of the M16A2 rifle, similar in appearance to the XM177 series of weapons.
The Special Operations Peculiar Modification to the M4 Carbine (SOPMOD M4) Accessory kit is a series of accessories developed for M4s and M4A1s belonging to units of the United States Special Operations Command (USSOCOM).
www.ghostrecon.net /html/arms_m4.htm   (225 words)

  
 M4 Message Breaking Project
The M4 Project is an effort to break 3 original Enigma messages with the help of distributed computing.
The signals were intercepted in the North Atlantic in 1942 and are believed to be unbroken.
The signals were presumably enciphered with the four rotor Enigma M4 - hence the name of the project.
www.bytereef.org /m4_project.html   (973 words)

  
 M4 Carbine - Wikipedia, the free encyclopedia
The M4A1 can be found in use by many U.S. military units, including the Delta Force, U.S. Navy SEALs, and the U.S. Marine Corps', U.S. Army Rangers, Radio Reconnaissance Platoons and Force Reconnaissance companies.
Although the M4 does not have as far an effective range as the longer M16, many military analysts consider engagement with a non-specialized small arm above a range of 300 m to be unnecessary.
In April 2004, Colt filed a lawsuit against Heckler and Koch (HK) and Bushmaster Firearms, claiming acts of trademark infringement, trade dress infringement, trademark dilution, false designation of origin, false advertising, patent infringement, unfair competition, and deceptive trade practices.
en.wikipedia.org /wiki/M4_Carbine   (1880 words)

  
 CBRD - Motorway Database - M4   (Site not responding. Last check: 2007-10-12)
Before the M4 Severn Bridge was built, there was no road bridge over the Severn south of Gloucester, leaving traffic from South Wales to South England to drive the A40 or take the A4 and then a ferry or a motorail crossing at Bristol.
Recently, the Second Severn Crossing was built and the M4 moved there, creating a new motorway, the M48, across the old bridge.
Until recently the M4 was in two sections, joined by six miles of A48 at Briton Ferry due to the marshy land.
www.cbrd.co.uk /motorway/m4   (262 words)

  
 SOPMOD M4 Carbine
The M4 Carbine is like the M16A2, but is more compact and features a collapsible stock.
The program to improve the M4 Carbine began in 1995 at USASOC and is a joint-service effort.
Cost for fielding the M4 accessory kits to date is $25 million and includes accessories for 8,000 weapons.
www.quarterbore.com /kac/sopmod.html   (712 words)

  
 About m4
I use GNU m4 1.4 to generate the HTML for these pages.
The entire process is administrated by GNU make, which knows what order to build things in, knows what depends on what, knows how to install the Web content once it's all compiled and completed.
Here is a sample of what the m4 source itself looks like.
www.alcyone.com /max/info/m4.html   (381 words)

  
 IT Services: m4 1.4.4
GNU m4 is an implementation of the traditional Unix macro processor.
This description was taken from the m4 web pages.
m4 is used under the hood by many other software packages, including Autoconf, sendmail's configuration build process, and for pre-processing configuration files for tvtwm.
www.stanford.edu /services/pubsw/package/languages/m4.html   (238 words)

  
 M4 for Windows   (Site not responding. Last check: 2007-10-12)
M4 also has built-in functions for including named files, running UNIX commands, doing integer arithmetic, manipulating text in various ways, and recursions.
It can also be used as either a front-end to a compiler or as a macro processor in its own right.
It is often used to generate HTML as it can give a consistent look to pages.
gnuwin32.sourceforge.net /packages/m4.htm   (168 words)

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