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What is “assert” in JavaScript?
...on is false; this is part of the general concept of assertion checking. Usually assertions (as they're called) are used only in "testing" or "debug" builds and stripped out of production code.
Suppose you had a function that was supposed to always accept a string. You'd want to know if someone call...
Difference between the 'controller', 'link' and 'compile' functions when defining a directive
...ulation of tElement = template element), hence manipulations that apply to all DOM clones of the template associated with the directive. (If you also need a link function (or pre and post link functions), and you defined a compile function, the compile function must return the link function(s) beca...
What does -1 mean in numpy reshape?
...example.
z = np.array([[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12]])
z.shape
(3, 4)
Now trying to reshape with (-1) . Result new shape is (12,) and is compatible with original shape (3,4)
z.reshape(-1)
array([ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])
Now trying to res...
How to cache data in a MVC application
...
I agree with Oli.. getting the results from the actual call to the DB is better than getting them from the cache
– CodeClimber
Jul 8 '09 at 21:48
1
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Managing large binary files with Git
...into your project in a sane way. So, you'd still have the full history of all your source but, as I understand it, you'd only have the one relevant revision of your images submodule. The git-submodule facility should help you keep the correct version of the code in line with the correct version of...
Check if a Class Object is subclass of another Class Object in Java
...ny isSubclassOf(...) or extends(...) method. Do I need to walk through all getSuperClass() and find my supeclass by my own?
...
How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
...i^M^[
Explanation:
[Ctrl+V] means "quote the following character" -- it allows you to embed the newline and escape characters in the command.
So you're mapping the 'g' key to the sequence: i [Enter] [Escape]
This is vim for insert a newline before the cursor, then exit insert mode.
Tweaks:
Y...
Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
...数指明实际要发送的数据的字节数；
第四个参数一般置0。
这里只描述同步Socket的send函数的执行流程。当调用该函数时，send先比较待发送数据的长度len和套接字s的发送缓冲 的 长度 ， 如果len大于s的发送缓冲区的长度，该函...
How to print the current Stack Trace in .NET without any exception?
...
408
Have a look at the System.Diagnostics namespace. Lots of goodies in there!
System.Diagnostics...
How can I make a multipart/form-data POST request using Java?
... making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient .
...