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Remove all classes that begin with a certain string
...eral groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like th...
How to find elements by class
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@pyCthon See answer for @jmunsch, BS now supports class_ which works properly.
– Wernight
Oct 6 '14 at 9:47
30
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Jelly Bean DatePickerDialog — is there a way to cancel?
... if (mCallBack != null) mDatePicker.clearFocus();
super.onStop();
}
Now if someone can tell me how I can propose a patch/bug report to Android, I'd be glad to. Meanwhile, I suggested a possible fix (simple) as an attached version of DatePickerDialog.java in the Issue there.
Concept to avoid ...
How to vertically center a container in Bootstrap?
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The Flexible box way
Vertical alignment is now very simple by the use of Flexible box layout. Nowadays, this method is supported in a wide range of web browsers except Internet Explorer 8 & 9. Therefore we'd need to use some hacks/polyfills or different approaches...
What is the difference between :first-child and :first-of-type?
...g at have all been divs, but bear with me, I'll get to that in a bit.
For now, the converse also holds true: any :first-child is also :first-of-type by necessity. Since the first child here is also the first div, it will match both pseudo-classes, as well as the type selector div:
<div class="p...
Batch file to copy files from one folder to another folder
... on a network in which all users will store their active data on a server. Now that server is going to be replaced by a new one due to place problem so I need to copy sub folders files from the old server storage folder to new server storage folder. I have below ex:
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Windows git “warning: LF will be replaced by CRLF”, is that warning tail backward?
...en using core.autocrlf, the bogus "LF
will be replaced by CRLF" warning is now suppressed.
As quaylar rightly comments, if there is a conversion on commit, it is to LF only.
That specific warning "LF will be replaced by CRLF" comes from convert.c#check_safe_crlf():
if (checksafe == SAFE_CRLF_WA...
How to make git mark a deleted and a new file as a file move?
...tructure.
Run git add -A .
Run git status to verify that the "new file" is now a "renamed" file
If git status still shows "new file" and not "renamed" you need to follow Hank Gay’s advice and do the move and modify in two separate commits.
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What does “1 line adds whitespace errors” mean when applying a patch?
...free to ignore the warning or turn it off with git config apply.whitespace nowarn.
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Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
.... + ak2 = b2
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a1k + a2k + ... + akk = bk
Using Newton's identities, knowing bi allows to compute
c1 = a1 + a2 + ... ak
c2 = a1a2 + a1a3 + ... + ak-1ak
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ck = a1a2 ... ak
If you expand the polynomial (x-a1)...(x-ak) the coefficients will be exactly c1, ..., ck - see Viète's formulas. Si...