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:not(:empty) CSS selector is not working?
...ribute in HTML markup. Then you can use :valid and :invalid in CSS to test for nonempty vs. empty value of the control. See stackoverflow.com/questions/16952526/…
– Jukka K. Korpela
Jun 6 '13 at 8:08
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how to access iFrame parent page using jquery?
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$('#parentPrice', window.parent.document).html();
The second parameter for the $() wrapper is the context in which to search. This defaults to document.
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How to draw circle in html page?
...I found using border-radius: 50%; worked well, change the size as desired. For colour you can use background-color or border.
– Grimeh
Jan 7 '15 at 0:41
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How do I get extra data from intent on Android?
...t to a series of if(extras != null) { return extras.getString(name) }. One for each getStringExtra you call. This option will check for null once and if so, it won't bother reading the Bundle at all. Besides that, getStringExtra will probably keep asking getExtras internally each time as well. So yo...
How do I pass multiple parameters into a function in PowerShell?
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Powershell is a shell language and it's common for shell languages to use spaces as a token separator. I wouldn't say Powershell is being different here, it's right in line with other system default shells like cmd, sh, bash, etc.
– Bender the Greate...
Select rows which are not present in other table
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There are basically 4 techniques for this task, all of them standard SQL.
NOT EXISTS
Often fastest in Postgres.
SELECT ip
FROM login_log l
WHERE NOT EXISTS (
SELECT -- SELECT list mostly irrelevant; can just be empty in Postgres
FROM ip_lo...
adb not finding my device / phone (MacOS X)
...p in the devices list in adb . Lots of other phones and devices work fine for me so I know my setup is good.
34 Answers
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In Javascript/jQuery what does (e) mean?
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e is the short var reference for event object which will be passed to event handlers.
The event object essentially has lot of interesting methods and properties that can be used in the event handlers.
In the example you have posted is a click handler ...
How do you test a public/private DSA keypair?
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I found a way that seems to work better for me:
ssh-keygen -y -f <private key file>
That command will output the public key for the given private key, so then just compare the output to each *.pub file.
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How do I set the value property in AngularJS' ng-options?
...ns(optional) – {comprehension_expression=} – in one of the
following forms:
For array data sources:
label for value in array
select as label for value in array
label group by group for value in array
select as label group by group for value in array track by trackexpr
For object...