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How do I prevent the iPhone screen from dimming or turning off while my application is running?
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Objective-C
[[UIApplication sharedApplication] setIdleTimerDisabled:YES];
Swift
UIApplication.shared.isIdleTimerDisabled = true
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”
I have my JAVA_HOME set to:
32 Answers
32
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How many GCC optimization levels are there?
... If you're developing on Mac OS X there's an additional -Oz setting which is "optimize for size more aggressively than -Os": developer.apple.com/mac/library/DOCUMENTATION/DeveloperTools/…
– pauldoo
May 5 '10 at 10:54
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Creating a zero-filled pandas data frame
...hat you may run into int/float issue if you will be doing something like d.set_value(params) after initializing d to contain 0's. An easy fix is: d = pd.DataFrame(0.0, index=np.arange(len(data)), columns=feature_list).
– ximiki
Aug 29 '17 at 21:03
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Create Django model or update if exists
...has a get_or_create, https://docs.djangoproject.com/en/dev/ref/models/querysets/#get-or-create
For you it could be :
id = 'some identifier'
person, created = Person.objects.get_or_create(identifier=id)
if created:
# means you have created a new person
else:
# person just refers to the exist...
How to vertically align into the center of the content of a div with defined width/height?
...c implementation. The reason for this is the content div needs to have the set height that your text will fill and the margin-top will be figured off of that. This issue can be seen in the demo. You can get it to work for every scenario manually by changing the height % of your content div and multi...
Installing MSBuild 4.0 without Visual Studio 2010
...equired to get MSBuild 4.0. This would be especially useful if you need to set up a minimal build server. I haven't confirmed whether this works for me or not but it would be worth a try before installing the SDK.
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How do I run a Python script from C#?
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Mine works without providing the full path. I am setting UseShellExecute to false and RedirectStandardOutput to true.
– Nikhil Girraj
Jun 24 '15 at 4:57
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cmake与autoconf+automake的对比 - C/C++ - 清泛网 - 专注C/C++及内核技术
...步骤：
autotools
cmake
变量定义
name=...
set(name, "...")
环境检测
AC_INIT
测试程序
AC_PROG_CC
测试函数库
AC_CHECK_LIB([pthread], [pthread_rwlock_init])
AC_PROG_RANLIB
测试头文件
测试类型定义
测试结构
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How do I install PyCrypto on Windows?
...crypto-2.6.1.win32-py2.7.exe
Notice to choose the relevant link for your setup from this list
If you're looking for builds for Python 3.5, see PyCrypto on python 3.5
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