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Email validation using jQuery
...ming more common this regex may need modifying .systems and .poker etc are all valid TLDs now but would fail the regex check
– Liath
Sep 5 '14 at 7:35
3
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Detect if an input has text in it using CSS — on a page I am visiting and do not control?
...ts whether the element has the value attribute in markup and has the empty string as its value. And :checked and :indeterminate are similar things. They are not affected by actual user input.
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Create an index on a huge MySQL production table without table locking
...TER TABLE). You can run multiple commands with pt-online-schema-change by stringing them up and separated by comma.
– Alex Le
Sep 3 '15 at 15:45
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Difference Between Cohesion and Coupling
... example of low cohesion at the top looks pretty good, I think you accidentally meant to say "high cohession"
– relipse
Mar 4 '16 at 14:45
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How do I automatically scroll to the bottom of a multiline text box?
... newest one) whenever a new line is added.
If you use TextBox.AppendText(string text), it will automatically scroll to the end of the newly appended text. It avoids the flickering scrollbar if you're calling it in a loop.
It also happens to be an order of magnitude faster than concatenating onto ...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...ainer; private Context context; private static final String LOG_TAG = "CB"; private boolean suppressToast; public Clipboard(ComponentContainer container) { super(container.$form()); this.container = container; &nbs...
UICollectionView current visible cell index
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The method [collectionView visibleCells] give you all visibleCells array you want. Use it when you want to get
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
for (UICollectionViewCell *cell in [self.mainImageCollection visibleCells]) {
NSIndexP...
No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
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On your Eclipse IDE, go into Window > Preferences > Java > Installed JREs > and check your installed JREs. You should have an entry with a JDK there.
Select the Execution Env as show below. Click OK
Then Right-Click on your Project -> Maven -> Update Project
Additionally, yo...
Commenting in a Bash script inside a multiline command
...omment here` \
def `#Another chance for a comment` \
xyz, etc.
And for pipelines specifically, there is a clean solution with no overhead:
echo abc | # Normal comment OK here
tr a-z A-Z | # Another normal comment OK here
sort | # The pipelines are automatically co...
How can I scale an image in a CSS sprite
...http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out?
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