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How do I expire a PHP session after 30 minutes?
...ms with filesystems where atime tracking is not available.
So it additionally might occur that a session data file is deleted while the session itself is still considered as valid because the session data was not updated recently.
And second:
session.cookie_lifetime
session.cookie_lifetime ...
How can I specify working directory for popen
...', cwd=r'd:\test\local')
To use your Python script path as cwd, import os and define cwd using this:
os.path.dirname(os.path.realpath(__file__))
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How can I read a whole file into a string variable
I have lots of small files, I don't want to read them line by line.
5 Answers
5
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Convert SVG image to PNG with PHP
I'm working on a web project that involves a dynamically generated map of the US coloring different states based on a set of data.
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Markup XML解析库下载（Markup.h 和 Markup.cpp） - 源码下载 - 清泛网 - 专注C/C++及内核技术
... Markup Release 11.1
// Copyright (C) 2009 First Objective Software, Inc. All rights reserved
// Go to www.firstobject.com for the latest CMarkup and EDOM documentation
// Use in commercial applications requires written permission
// This software is provided "as is", with no warranty.
#if !d...
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...wsing mode, it appears as though localStorage is available, but trying to call setItem throws an exception.
store.js line 73
"QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to add something to storage that exceeded the quota."
What happens is that the window object still exposes localS...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...hrow的Compiler-Internals-How-Try-Catch-Throw-are-Interprpreted-by-the-Microsoft-Compiler本文不是一篇介绍如何在x86架构上详细地实现异常处理(exception handling)的手册，只是一篇入门的讨论性文章。本文只是讨论一些处理步骤在理论上应该如何实现...
Reload Flask app when template file changes
...ment to Flask().run(), a collection of filenames to watch: any change on those files will trigger the reloader.
Example:
from os import path, walk
extra_dirs = ['directory/to/watch',]
extra_files = extra_dirs[:]
for extra_dir in extra_dirs:
for dirname, dirs, files in walk(extra_dir):
...
How to sort with a lambda?
... What you have written so far makes little sense. If mProperty is supposed to be an int a.mProperty>b.mProperty will definitely yield a bool.
– sellibitze
Feb 26 '11 at 0:32
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
... access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (...