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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...ction to favour the "likely" side of a jump instruction. This can be a big win, if the prediction is correct it means that the jump instruction is basically free and will take zero cycles. On the other hand if the prediction is wrong, then it means the processor pipeline needs to be flushed and it c...
Is explicitly closing files important?
...ug like that
you may not be able to delete said file on some systems, e.g. win32
if you run anything other than CPython, you don't know when file is closed for you
if you open the file in write or read-write mode, you don't know when data is flushed
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Script Tag - async & defer
...xecution in which they appear
in the page.
Ref this link : http://www.growingwiththeweb.com/2014/02/async-vs-defer-attributes.html
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How to implement common bash idioms in Python? [closed]
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Look at replacing FIND with Python loops that use os.walk. This is a big win because you don't spawn as many processes.
Look at replacing common shell logic (loops, decisions, etc.) with Python scripts.
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ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...自于我们只需要处理一个消息（NM_CUSTOMDRAW），就可以让Windows为你干活了，你就不用被逼去处理＂重绘过程＂中所有的脏活了。
这篇文章的焦点是如何在一个LISTCTRL控件上使用Custom Draw消息。究其原因，一部分是因为我已经在我...
How do I install Python OpenCV through Conda?
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Worked for me on windows 7
– waldol1
Jun 9 '15 at 20:32
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How to remove all debug logging calls before building the release version of an Android app?
...eded. For example, these are the various logging constants we have in the window manager:
static final String TAG = "WindowManager";
static final boolean DEBUG = false;
static final boolean DEBUG_FOCUS = false;
static final boolean DEBUG_ANIM = false;
static final boolean DEBUG_LAYOUT = false;
sta...
Git branch strategy for small dev team [closed]
...maller team and devs less experienced with git, this workflow's simplicity wins out. The only thing we do differently is having a 'staging' branch between the feature branch and master that acts as a live QA site for non devs to okay the feature in a production like environment.
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String output: format or concat in C#?
Let's say that you want to output or concat strings. Which of the following styles do you prefer?
31 Answers
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Why should we include ttf, eot, woff, svg,… in a font-face
...can do this because nobody has this font and yet it is seen anywhere (Mac, Win, Linux and even on smartphones by all browsers except by IE. IE does not have full support for Open Types).
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