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• Memcache textual protocol cheatsheet ?

  - by Maxim Veksler

  Memcached interface is implemented using a textual protocol. Sometimes it's very useful to be to fetch data stored on your remote server simply by invoking netcat with some shell kung fu, for example: To download the XML result of your nightly data crunching job you might run something like: echo "get 95ec6c7693ec53771c8a3fb1061562b8" | nc localhost 11211 > console_overview_06_04_2010.xml The interesting part here is get SOME_UNIQUE_KEY which is part of the memcached protocol. What other useful usages can you suggest in regard to the ability to interact with memcached using nothing more then command line tools? Thank you, Maxim.

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• How do i make a system call to tar files(along with exclude tag) in Perl

  - by superstar

  This is the system call, i am making right now in perl to tar the files system("${tarexe} -pcvf $tarname $includepath") which works fine. $tarexe -> location of my tar.exe file $tarname -> myMock.tar $includepath -> ./input/myMockPacketName ./input/myPacket/my2/*.wav ./input/myPacket/my3 ./input/myPacket/in.html Now i want to exclude some files using exclude tag, which doesnot exclude the files system("${tarexe} -pcvf $tarname $includepath --exclude $excludepath") $excludepath -> ./input/myMockPacketName/my3 The same stament ${tarexe} -pcvf $tarname $includepath --exclude $excludepath works fine when i run it in the command line.

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• How to run a custom action after install which can run in quiet or a UI after Install (WIX)

  - by Jamie

  Hi, I basically want to able to run an command line tool that already exists on the desired machine against the directory the files were run to. I.e The Installer does the following: Specify a location for the files to go into (INSTALLOCATION variable) Then after copying has finished run a tool which will zip the files and attach them to attach them to another application. <CustomAction Id="InstallTo" Return="check" Directory="INSTALLLOCATION" Execute="immediate" ExeCommand='"C:\MyTool\Here\Tool.exe" -ad [INSTALLLOCATION] Poop 1.0'/> <InstallExecuteSequence> <Custom Action="InstallTo" After="InstallFinalize">$InstallTo&gt;2</Custom> </InstallExecuteSequence> At the moment I'm not sure anyuthing is being called, is there a way to basically have this two step install and report progress if the tool failed/doesn't exist etc. Thanks, Jamie

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• How do i make a "system call to tar files(along with exclude tag)" to work in Perl

  - by superstar

  This is the system call, i am making right now in perl to tar the files system("${tarexe} -pcvf $tarname $includepath") which works fine. $tarexe -> location of my tar.exe file $tarname -> myMock.tar $includepath -> ./input/myMockPacketName ./input/myPacket/my2/*.wav ./input/myPacket/my3 ./input/myPacket/in.html Now i want to exclude some files using exclude tag, which doesnot exclude the files system("${tarexe} -pcvf $tarname $includepath --exclude $excludepath") $excludepath -> ./input/myMockPacketName/my3 The same stament ${tarexe} -pcvf $tarname $includepath --exclude $excludepath works fine when i run it in the command line.

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• Python imaging alternatives

  - by Paul McMillan

  I have python code that needs to do just a couple simple things to photographs: crop, resize, and overlay a watermark. I've used PIL, and the resample/resize results are TERRIBLE. I've used imagemagick, and the interface and commands were designed by packaging a cat in a box, and then repeatedly throwing it down a set of stairs at a keyboard. I'm looking for something which is not PIL or Imagemagick that I can use with python to do simple, high-quality image transformations. For that matter, it doesn't even have to have python bindings if the command line interface is good. Oh, and it needs to be relatively platform agnostic, our production servers are linux, but some of our devs develop on windows. It can't require the installation of a bunch of silly gui code to use as a library, either.

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• piping findstr's output

  - by Gauthier

  Windows command line, I want to search a file for all rows starting with: # NNN "<file>.inc" where NNN is a number and <file> any string. I want to use findstr, because I cannot require that the users of the script install ack. Here is the expression I came up with: >findstr /r /c:"^# [0-9][0-9]* \"[a-zA-Z0-9_]*.inc" all_pre.txt The file to search is all_pre.txt. So far so good. Now I want to pipe that to another command, say for example more. >findstr /r /c:"^# [0-9][0-9]* \"[a-zA-Z0-9]*.inc" all_pre.txt | more The result of this is the same output as the previous command, but with the file name as prefix for every row (all_pre.txt). Then comes: FINDSTR: cannot open | FINDSTR: cannot open more Why doesn't the pipe work? snip of the content of all_pre.txt # 1 "main.ss" # 7 "main.ss" # 11 "main.ss" # 52 "main.ss" # 1 "Build_flags.inc" # 7 "Build_flags.inc" # 11 "Build_flags.inc" # 20 "Build_flags.inc"

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• Question about Java File Reader.

  - by Cris Carter

  Hello. I'm having some problems with the FileReader class. How do I specify an offset in the lines it goes through, and how do I tell it when to stop? Let's say I want it to go through each line in a .txt file, but only lines 100-200 and then stop? How would I do this? Right now I'm using ReadLine() but I don't think there's a way to specify offset with that. Any fast help is VERY appreciated. Thanks.

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• android.view.InflateException: Binary XML file line #11

  - by kostas

  i have a listview with some items.when the user touch the first list item it starts a dialog activity with a photo and some text below.that happens for every list item.but unfortunately i m getting this android.view.InflateException: Binary XML file line #11 force down error..this is a part of my manifest: <activity android:name=".kalamaki" android:label="Beaches in Chania" android:screenOrientation="portrait" android:configChanges="orientation|keyboardHidden" android:theme="@android:style/Theme.Dialog" /> this is my .xml file: <?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#cfcfcc" > <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageView android:layout_marginTop="5px" android:id="@+id/image" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@+id/image" /> <TextView android:layout_marginTop="5px" android:id="@+id/text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@+id/text" android:textColor="#262626" /> </LinearLayout> </ScrollView> and this is my logcat error: 04-30 19:08:34.433: ERROR/AndroidRuntime(405): Uncaught handler: thread main exiting due to uncaught exception 04-30 19:08:34.463: ERROR/AndroidRuntime(405): java.lang.RuntimeException: Unable to start activity ComponentInfo{kostas.menu.chania/kostas.menu.chania.sfinari}: android.view.InflateException: Binary XML file line #11: Error inflating class <unknown> 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2454) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2470) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.app.ActivityThread.access$2200(ActivityThread.java:119) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1821) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.os.Handler.dispatchMessage(Handler.java:99) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.os.Looper.loop(Looper.java:123) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.app.ActivityThread.main(ActivityThread.java:4310) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at java.lang.reflect.Method.invokeNative(Native Method) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at java.lang.reflect.Method.invoke(Method.java:521) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at dalvik.system.NativeStart.main(Native Method) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): Caused by: android.view.InflateException: Binary XML file line #11: Error inflating class <unknown> 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.view.LayoutInflater.createView(LayoutInflater.java:513) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.view.LayoutInflater.rInflate(LayoutInflater.java:618) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.view.LayoutInflater.rInflate(LayoutInflater.java:621) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.view.LayoutInflater.inflate(LayoutInflater.java:407) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.view.LayoutInflater.inflate(LayoutInflater.java:320) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.view.LayoutInflater.inflate(LayoutInflater.java:276) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:198) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.app.Activity.setContentView(Activity.java:1622) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at kostas.menu.chania.sfinari.onCreate(sfinari.java:15) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): ... 11 more 04-30 19:08:34.463: ERROR/AndroidRuntime(405): Caused by: java.lang.reflect.InvocationTargetException 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.widget.ImageView.<init>(ImageView.java:105) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at java.lang.reflect.Constructor.constructNative(Native Method) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at java.lang.reflect.Constructor.newInstance(Constructor.java:446) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.view.LayoutInflater.createView(LayoutInflater.java:500) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): ... 23 more 04-30 19:08:34.463: ERROR/AndroidRuntime(405): Caused by: android.content.res.Resources$NotFoundException: File res/drawable-mdpi/scrollbar_handle_vertical.9.png from drawable resource ID #0x7f050000 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.content.res.Resources.loadDrawable(Resources.java:1710) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.content.res.TypedArray.getDrawable(TypedArray.java:548) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.widget.ImageView.<init>(ImageView.java:115) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): ... 27 more 04-30 19:08:34.463: ERROR/AndroidRuntime(405): Caused by: java.io.FileNotFoundException: res/drawable-mdpi/scrollbar_handle_vertical.9.png 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.content.res.AssetManager.openNonAssetNative(Native Method) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.content.res.AssetManager.openNonAsset(AssetManager.java:391) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): at android.content.res.Resources.loadDrawable(Resources.java:1702) 04-30 19:08:34.463: ERROR/AndroidRuntime(405): ... 29 more

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• ^M characters when using Tramp (on Windows) to connect to Ubuntu Server

  - by jamting

  I've set up Tramp on Emacs on my Windows 7 box (64 bit). For this test, this is the only thing in my emacs-config: (setq tramp-default-method "plink") Then I connect to my Ubuntu Server 9.10 running in a VM on my local network. Connection goes fine, i can use dired to browse folders and open files. Yay! However, git status shows up as: Git:master^M An when i open speedbar all folders and files ends with ^M, ie: <+ conf/^M Does anyone know how to prevent this line-ending collision from occurring?

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• How do I handle a missing mandatory argument in Ruby OptionParser?

  - by Rob Jones

  In OptionParser I can make an option mandatory, but if I leave out that value it will take the name of any following option as the value, screwing up the rest of the command line parsing. Here is a test case that echoes the values of the options: $ ./test_case.rb --input foo --output bar output bar input foo Now leave out the value for the first option: $ ./test_case.rb --input --output bar input --output Is there some way to prevent it taking another option name as a value? Thanks! Here is the test case code: #!/usr/bin/env ruby require 'optparse' files = Hash.new option_parser = OptionParser.new do |opts| opts.on('-i', '--input FILENAME', 'Input filename - required') do |filename| files[:input] = filename end opts.on('-o', '--output FILENAME', 'Output filename - required') do |filename| files[:output] = filename end end begin option_parser.parse!(ARGV) rescue OptionParser::ParseError $stderr.print "Error: " + $! + "\n" exit end files.keys.each do |key| print "#{key} #{files[key]}\n" end

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• .Net Process keep command window open

  - by msarchet

  right now I am working on a tool that does a lot of work via the Process object through the command line. So there are times when I want the command window to not show up and times when I want it to stay open so that the user can see what happened, possibly respond with the appropriate input. Dim pro As New Process pro.StartInfo.WorkingDirectory = path pro.StartInfo.Arguments = command pro.StartInfo.FileName = "hg" pro.StartInfo.RedirectStandardOutput = True If command.Contains("-q") Then pro.StartInfo.UseShellExecute = False pro.StartInfo.CreateNoWindow = True pro.StartInfo.WindowStyle = ProcessWindowStyle.Hidden End If pro.Start() pro.WaitForExit() Return pro.StandardOutput.ReadToEnd The flag that I am checking in the command is for a -q if it doesn't contain this I would like to show the command prompt to the user and wait for them to close it. Is this possible and if so what am I missing?

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• PHP set timeout for script, set_time_limit not working

  - by tehalive

  I have a command-line PHP script that runs a wget request using each member of an array with foreach. This wget request can sometimes take a long time so I want to be able to set a timeout for killing the script if it goes past 15 seconds for example. I have PHP safemode disabled and tried set_time_limit(15) early in the script, however it continues indefinitely. I've given up troubleshooting set_time_limit() and was trying to find other ways to kill the script after 15 seconds of execution. However, I'm not sure if it's possible to check the time a script has been running while it's in the middle of a wget request at the same time (a do while loop did not work). Thanks for any tips!

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• Qt SDk 4.6.2 on mac os x: invoke ffmpeg ??

  - by varunmagical

  Hello, I am writing an FFmpeg frontend in Qt & testing it on linux, windows & Mac. (FFmpeg is a popular command line tool for video operations) My project is working well on Linux & windows but I cannot invoke FFmpeg on Mac! I have compiled it from svn source on Mac & I have ensured that it is working properly by running it in Mac terminal. In my project, I have created a widget that shows FFmpeg output during conversion, but on mac, It always stays blank. Need help!

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• Create a new embedded language using PHP

  - by dino beytar

  I am trying to develop an administration panel and I have a command line. When a user send a command like below, i need to recognize it using PHP. My aim is simplifying tasks in the admin panel. create page -attr1 90 -attr2 'page title'; or update category 90 -name 'Technology'; There are two main things: Verb and subject (ie. create page, update category) Attributes (can be both STRING and INT) and more complex example: create page -name EN:'Static Page' CA:'Staticna Stranica' -category 3,6,12,15; Where can I start to create this very small embedded language, or how can I do it well really? Clever answers, please.

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• How do I get the name of the newest file via the Terminal?

  - by Alec

  I'm trying to create a macro for Keyboard Maestro for OS X doing the following: Get name of newest file in a directory on my disk based on date created; Paste the text "newest file: " plus the name of the newest file. One of its options is to "Execute a shell script", so I thought that would do it for 1. After Googling around a bit I came up with this: cd /path/to/directory/ ls -t | head -n1 This sorts it right, and returns the first filename. However, it also seems to includes a line break, which I do not want. As for 2: I can output the text "newest file: " with a different action in the app, and paste the filename behind that. But I'm wondering if you can't return "random text" + the outcome of the ls command. So my question is: can I do this only using the ls command? And how do I get just the name of the latest file without any linebreaks or returns?

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• Pass potentially infinite number of arguments to array except a single numeric variable in a PHP com

  - by tehalive

  I'm trying to make a PHP script that will take a potentially infinite number of URLs from the command line as arguments. I also need to pass an argument that only has a single numeric value possible (to specify timeout), e.g.: ./urltest.php 60 url1.com url2.com url3.com I'm not exactly sure how to specify argv[1] to be a single numeric variable while at the same time the rest of the arguments (i.e. the list of urls) go into an array. Maybe something like: $timeout = $argv[1]; $args = func_get_args(); function numfilter($num) { return !is_numeric($num); } $urls = array_filters($args, 'numfilter'); ? Thanks in advance!

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• Killing a program if it displays a dialog box (devenv.com running under CruiseControl.net)

  - by Alan Mullett

  I have CruiseControl.net running Visual Studio (2005/2008 - using devenv.com) as we need to build deployment projects (.vdproj). At times, for various reasons devenv decides that even though it was run from the command line, using the devenv.com varient, it still wants to put up a dialog box. Now, as it's running under CruiseControl.net on a remote server this is never seen and the only syptom of this is that the build eventually times out. When the build is still in progress a look at the tasks shows devenv running but not consuming any processor power. Is there a handy utility through which could run devenv.com which basically watches the program it starts up and basically kills it if it dares to display a dialog box of any kind?

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• Preserving original StackTrace/LineNumbers in .NET Exceptions

  - by Sam

  Understanding the difference between throw ex and throw, why is the original StackTrace preserved in this example: static void Main(string[] args) { try { LongFaultyMethod(); } catch (System.Exception ex) { Console.WriteLine(ex.StackTrace); } } static void LongFaultyMethod() { try { int x = 20; SomethingThatThrowsException(x); } catch (Exception) { throw; } } static void SomethingThatThrowsException(int x) { int y = x / (x - x); } But not in this one: static void Main(string[] args) { try { LongFaultyMethod(); } catch (System.Exception ex) { Console.WriteLine(ex.StackTrace); } } static void LongFaultyMethod() { try { int x = 20; int y = x / (x - 20); } catch (Exception) { throw; } } The second scenario is producing the same output as throw ex would? In both cases, one expects to see the line number where y is initialized.

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• How to load program reading stdin and taking parameters in gdb?

  - by vinc456

  I have a program that takes input from stdin and also takes some parameters from command line. It looks like this: cat input.txt myprogram -path "/home/user/work" I try to debug the code with gdb inside emacs, by M-x gdb, I try to load the program with the command: gdb cat input.txt myprogram -path "/home/user/work" However, gdb does not like it. Question cribbed from here. Unfortunately I don't understand the solution and am not sure what to do beyond compiling with the -g option and running the command M-x gdb.

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• Open ms word in "compare document" mode from command prompt.

  - by arraku-gmail-com

  I am working on a web project where client needs a functionality to first upload some MS word document & then he can compare any two of the uploaded documents. The idea I came up with is to first make the documents available using WEBDAV & then open both documents using command line with "Compare side by side" option. In this way he will be able to compare & modify two documents. The problem is, I am not able to find any command which can be run from command prompt to open two documents in compare mode. Also, if you know any other way to achieve this functionality then please share it with me. Thanks!

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• Compatibility of x-www-browser

  - by rohit.arondekar

  I want to open html files from a shell script. I know that Ubuntu has a command x-www-browser that will open the default browser on the system. I also found via some Googling that the command is part of the debian system. I was wondering if the command is available on non debian based distros. If it isn't is there a standard way of opening an html file in the default browser on a linux OS via command line? Note that I'm using Bash.

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• Creating a variable-speed slideshow based on USB input on OSX.

  - by Dave A

  I have a friend who is trying to put together a geeky little contraption for a wedding, where people can view a slideshow. Neither of us use Macs, nor have programmed for one, but for various reasons it has to run on a Mac. There will be a USB ammeter hooked up to a bike dynamo. What we want is for a slideshow to be run, and advance at a speed relative to how fast someone is pedaling on a stationary bike. After much googling, it seems like we could load an iPhoto slideshow up via applescript. Is it possible to pause the slideshow and advance it with keypress commands? The applescript commands would be run via a bash script or similar that would monitor the value returned by the USB ammeter's command-line app and issue the keypress events accordingly. Is there some other app that could be likewise scripted to display photos?Hoping someone has some hints to get us started in the right direction! Thanks!

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• iPhone CGContext: drawing two lines with two different colors

  - by phonecoddy

  I am having some troubles using the CGContext with an iPhone app. I am trying to draw several lines with different colors, but all the lines always end up having to color, which was used last. I tried several approaches I could think of, but haven't been lucky. I set up a small sample project to deal with that issue. This is my code, I use in the drawRect method. I am trying to draw a red and a blue line: - (void)drawRect:(CGRect)rect{ NSLog(@"drawrect!"); CGContextRef bluecontext = UIGraphicsGetCurrentContext(); CGContextSetLineWidth(bluecontext, 2.0); CGContextSetStrokeColorWithColor(bluecontext, [UIColor blueColor].CGColor); CGContextMoveToPoint(bluecontext, 1, 1); CGContextAddLineToPoint(bluecontext, 100, 100); CGContextSetStrokeColorWithColor(bluecontext, [UIColor redColor].CGColor); CGContextAddLineToPoint(bluecontext, 200, 100); CGContextStrokePath(bluecontext); } thanks for your help

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• PHP: System Timezone Setting error

  - by marknt15

  Hi, I'm trying to use PHP in the terminal under MAMP but I got an error related to the system's timezone settings. How can I fix this error? $/Applications/MAMP/bin/php5/bin/php echo.php PHP Strict Standards: PHP Startup: It is not safe to rely on the system's timezone settings. Please use the date.timezone setting, the TZ environment variable or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Manila' for 'PHT/8.0/no DST' instead in Unknown on line 0 Thanks

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• Which svn client to install on Windows 7 machine?

  - by user246114

  I just got a new PC running Windows 7 (64-bit). I'd like to install an SVN client (command line only, I don't want TortoiseSVN). I'm not sure which of these to install: http://subversion.apache.org/packages.html#windows does anyone have any opinions on this? I tried going for the ones hosted by Tigris, but the downloaded zip says to read an install file hosted at their site, but the link is broken. Do we simply download, then call svn.exe as needed, no need for a real 'install'?

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