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What is the difference between char array and char pointer in C?
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gsamaras
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answered Apr 17 '12 at 7:15
JonJon
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Iterate over the lines of a string
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144
Here are three possibilities:
foo = """
this is
a multi-line string.
"""
def f1(foo=foo): re...
MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...这个绝对值的数
Format("this is %u",-2);
返回的是：this is 4294967294
f 对应浮点数
e 科学表示法，对应整型数和浮点数，
Format("this is %e",-2.22);
返回的是：this is -2.220000E+000
等一下再说明如果将数的精度缩小
g 这个只...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...似的长连接+心跳策略，WIFI和手机网络下的心跳间隔都为4分45秒，心跳5次后，主动断开连接再重连。
在支持GCM的设备上，主要靠GCM来激活WhatsApp，WhatsApp启动后，会建立一个与服务器的长连接，直接通过此长连接发送Push消息，...
difference between Product Backlog Item and Feature in Team Foundation work item types
... which I am basing this answer on... http://www.nsilverbullet.net/2013/06/04/features-help-us-plan-work-better-in-team-foundation-service-scrum-process/
Should you create a Feature or a Product Backlog Item?
If you think/hope that the new work item that you are going to create will fit into a sin...
Why is C so fast, and why aren't other languages as fast or faster? [closed]
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34 Answers
34
Active
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width:auto for fields
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answered Jan 7 '11 at 2:54
BenBen
44.2k3939 gold badges150150 silver badges203203 bronze badges
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How to do ssh with a timeout in a script?
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Eric Leschinski
114k4949 gold badges368368 silver badges313313 bronze badges
answered Mar 10 '11 at 4:41
user57421user5...
Fastest way to check if a file exist using standard C++/C++11/C?
...e 100,000 calls averaged over 5 runs,
Method exists_test0 (ifstream): **0.485s**
Method exists_test1 (FILE fopen): **0.302s**
Method exists_test2 (posix access()): **0.202s**
Method exists_test3 (posix stat()): **0.134s**
The stat() function provided the best performance on my system (Linux, comp...
onclick open window and specific size
...up link</a>
Where width and height are pixels without units (width=400 not width=400px).
In most browsers it will not work if it is not written without line breaks, once the variables are setup have everything in one line:
<a href="/index2.php?option=com_jumi&amp;fileid=3&amp;It...