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How do I log errors and warnings into a file?

How do I turn on all error and warnings and log them to a file, but to set up all of that within the script (not changing anything in php.ini)? ...
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When should I use GET or POST method? What's the difference between them?

... What I meant was that contents of $_POST is not magically hidden from malicious users. There are obviously security aspects to all thing programming. – troelskn Feb 2 '09 at 22:34 ...
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I can’t find the Android keytool

... any turn-by-turn GPS apps to compete with theirs or something. I didn't really read it. Oops. So go to http://code.google.com/android/maps-api-signup.html and check it out. They want you to check the "I have read and agree with the terms and conditions" box and enter your certificate's MD5 fingerp...
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C library function to perform sort

... qsort() is the function you're looking for. You call it with a pointer to your array of data, the number of elements in that array, the size of each element and a comparison function. It does its magic and your array is sorted in-place. An example follows: #include <st...
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How could I use requests in asyncio?

I want to do parallel http request tasks in asyncio , but I find that python-requests would block the event loop of asyncio . I've found aiohttp but it couldn't provide the service of http request using a http proxy. ...
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Installing older version of R package

... To install an older version of a package from source (within R): packageurl <- "http://cran.r-project.org/src/contrib/Archive/ggplot2/ggplot2_0.9.1.tar.gz" install.packages(packageurl, repos=NULL, type="source") If this doesn'...
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What does -D_XOPEN_SOURCE do/mean?

...ch one you need (if any) by looking at the man page for each function you call. For example, man strdup says: Feature Test Macro Requirements for glibc (see feature_test_macros(7)): strdup(): _SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE >= 500 strndup(), strdupa(), strndupa():...
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What is the fastest integer division supporting division by zero no matter what the result is?

...x, int y) { y += y == 0; return x/y; } The compiler basically recognizes that it can use a condition flag of the test in the addition. As per request the assembly: .globl f .type f, @function f: pushl %ebp xorl %eax, %eax movl %esp, %ebp movl 12(%...
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Multiple commands in gdb separated by some sort of delimiter ';'?

...rinted a backtrace, but it doesn't. You can accomplish the same thing by calling into the Python interpreter. python import gdb ; print(gdb.execute("s")) ; print(gdb.execute("bt")) It's possible to wrap this up into a dedicated command, here called "cmds", backed by a python definition. Here's a...
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Why does 'continue' behave like 'break' in a Foreach-Object?

...each that helps to make this conversion easy and make mistakes easy, too). All continues should be replaced with return. P.S.: Unfortunately, it is not that easy to simulate break in ForEach-Object. share | ...