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How do I expire a PHP session after 30 minutes?

...a session timeout of your own. Both options mentioned by others (session.gc_maxlifetime and session.cookie_lifetime) are not reliable. I'll explain the reasons for that. First: session.gc_maxlifetime session.gc_maxlifetime specifies the number of seconds after which data will be seen as 'garb...
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sql “LIKE” equivalent in django query

... Use __contains or __icontains (case-insensitive): result = table.objects.filter(string__contains='pattern') The SQL equivalent is SELECT ... WHERE string LIKE '%pattern%'; ...
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Show the progress of a Python multiprocessing pool imap_unordered call?

... that's successfully doing a multiprocessing Pool set of tasks with a imap_unordered() call: 9 Answers ...
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How to list branches that contain a given commit?

...gt; via email rather than pushing or pulling commits directly. __*__*__*__*__> <upstream> / fork-point \__+__+__-__+__+__-__+__> <head> (Here, the commits marked '-' wouldn't show up with git cherry, meaning they are already present in <upstream&...
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Input from the keyboard in command line application

...or how I set it up. Usage from swift let prompt: Prompt = Prompt(argv0: C_ARGV[0]) while (true) { if let line = prompt.gets() { print("You typed \(line)") } } ObjC wrapper to expose libedit #import <histedit.h> char* prompt(EditLine *e) { return "> "; } @implemen...
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How do I list all files of a directory?

... A bit simpler: (_, _, filenames) = walk(mypath).next() (if you are confident that the walk will return at least one value, which it should.) – misterbee Jul 14 '13 at 20:56 ...
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How to get the original value of an attribute in Rails

... Before rails 5.1 Appending _was to your attribute will give you the previous value. For rails 5.1+ Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123 Appending _was is deprecated in rails 5.1, now you should ap...
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Multiple glibc libraries on a single host

...r search for libraries in /path/to/newglibc (so you wouldn't have to set LD_LIBRARY_PATH before running it), and the -dynamic-linker option will "bake" path to correct ld-linux.so.2 into the application. If you can't relink the myapp application (e.g. because it is a third-party binary), not all is...
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 3.3.1先查看内核版本 ll -d /usr/src/kernels/2.6.32-358.el6.x86_64/ 3.3.2 编译 cd /usr/local/src/ drbd-8.4.6 make KDIR=/usr/src/kernels/2.6.32-358.el6.x86_64/ 3.3.3安装 make install 3.3.4加载模块 modprobe drbd lsmod | grep drbd drbd 376868 0 lib...
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What is the preferred/idiomatic way to insert into a map?

... which you assign a value. Obviously, this can be inefficient if the mapped_type can benefit from being directly initialized instead of default constructed and assigned. This method also makes it impossible to determine if an insertion has indeed taken place or if you have only overwritten the value...