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Invoking JavaScript code in an iframe from the parent page
...and the function you want to call is targetFunction():
document.getElementById('targetFrame').contentWindow.targetFunction();
You can also access the frame using window.frames instead of document.getElementById.
// this option does not work in most of latest versions of chrome and Firefox
window...
Sass .scss: Nesting and multiple classes?
...
You can use the parent selector reference &, it will be replaced by the parent selector after compilation:
For your example:
.container {
background:red;
&.desc{
background:blue;
}
}
/* compiles to: */
.container {
background: red;
}
.container.desc {
back...
In a Bash script, how can I exit the entire script if a certain condition occurs?
...special, you can just use 1 consistently. If the script is meant to be run by another script, you may want to define your own set of status code with particular meaning. For example, 1 == tests failed, 2 == compilation failed. If the script is part of something else, you may need to adjust the codes...
VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...dowWM_PAINT这个重要的消息： The WM_PAINT message is generated by the system and should not be sent by an applicatio...WM_PAINT这个重要的消息：
The WM_PAINT message is generated by the system and should not be sent by an application.The system sends this message when there are n...
Android custom dropdown/popup menu
...etContentView(R.layout.activity_main);
button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//Creating the instance of PopupMenu
PopupMenu pop...
How to deal with a slow SecureRandom generator?
... then the PRNG will seed itself once the first time you call next() or nextBytes(). It will usually do this using a fairly small amount of true random data from the system. This call may block, but will make your source of random numbers far more secure than any variant of "hash the current time tog...
In Python script, how do I set PYTHONPATH?
....
sys.path.append('/path/to/whatever')
In fact, sys.path is initialized by splitting the value of PYTHONPATH on the path separator character (: on Linux-like systems, ; on Windows).
You can also add directories using site.addsitedir, and that method will also take into account .pth files existin...
HTML5 Local storage vs. Session storage
...ifferent expiration time, sessionStorage will only be accessible while and by the window that created it is open. localStorage lasts until you delete it or the user deletes it.
Lets say that you wanted to save a login username and password you would want to use sessionStorageover localStorage for se...
How to prevent ajax requests to follow redirects using jQuery
...are parts of another level of the communication stack and can't be managed by jQuery.ajax or XMLHttpRequest.
The XMLHttpRequest standard say that the client configuration can have options which prevent redirection. In case of "Microsoft world", which I better know, you can look at WinHttpSetOption ...
How to move one word left in the vi editor
...
I'm not sure to understand what you mean by "a reference". If you want to try these motions you can just open a file in vim and try the motions, right?
– statox
Jan 10 '16 at 8:36
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