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In Javascript/jQuery what does (e) mean?
...;p>Please click on the checkbox control.</p>
<form>
<label for="id-checkbox">Checkbox</label>
<input type="checkbox" id="id-checkbox"/>
</div>
</form>
<script>
document.querySelector("#id-checkbox").addEventListener("click", functio...
Git - Undo pushed commits
...e
(I would use this only on my personal repo)
do:
git reset <previous label or sha1>
this will re-checkout all the updates locally (so git status will list all updated files)
then you "do your work" and re-commit your changes (Note: this step is optional)
git commit -am "blabla"
At thi...
“CAUTION: provisional headers are shown” in Chrome debugger
...an inspector the target page /b to see the header data, you will get them, labeled with "Provisional headers are shown". It is correct, because, you don't analyzed the target page directly. If you do it, you get the header data without the label.
– Evgeniy
May ...
C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ 读写xml方法整理（持续更新）c++读写xml的方法可谓是五花八门，太多了，这里对常用的几种做一个总结，附demo。1、Markup 下载：
特点：C++编写的，一个.h，一个.cpp，绿色小巧，直接加入工程源码编译，只支持MFC。
<?xml versi...
How do I resolve configuration errors with Nant 0.91?
...he zip file, select Properties and under the General tab, click the button labelled Unblock, then click OK on the Properties window. Now, extract the file to your desired location, ensure it is on the system path, open a new command line and NAnt should run successfully.
...
What is the purpose of the single underscore “_” variable in Python?
...iberately ignored (Conceptually, it is being discarded.), as in code like:
label, has_label, _ = text.partition(':').
As part of a function definition (using either def or lambda), where
the signature is fixed (e.g. by a callback or parent class API), but
this particular function implementation does...
How can I easily view the contents of a datatable or dataview in the immediate window
... " ) + msg + "\n" );
break;
//2 -- output to the error label in the master
case 2:
string previousMsg = System.Convert.ToString (System.Web.HttpContext.Current.Session["global.DebugMsg"]);
System.Web.HttpContext.Current.Session["global.DebugMsg"] ...
TypeError: got multiple values for argument
...is function changed between 0.20 and 0.22:
0.20: DataFrame.set_axis(axis, labels)
0.22: DataFrame.set_axis(labels, axis=0, inplace=None)
Using the commonly found examples for set_axis results in this confusing error, since when you call:
df.set_axis(['a', 'b', 'c'], axis=1)
prior to 0.22, ['a'...
Does a break statement break from a switch/select?
... innermost "for",
"switch" or "select" statement.
BreakStmt = "break" [ Label ] .
If there is a label, it must be that of an enclosing "for", "switch"
or "select" statement, and that is the one whose execution terminates
(§For statements, §Switch statements, §Select statements).
L:
...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...use an associative array instead.
A variable name, fundamentally, is the label given to a value by the programmer; if you're determining it at run-time, it's not really a label but a key in some key-value store. More practically, by not using an array, you are losing the ability to count, iterate,...