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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
For example if I were to have a table "Person" with a column "id" that references a column "id" in table "Worker"
5 Answers...
Find first element by predicate
...ow() (for a more meaningful error instead of a NSEE) as you might not know if the operations applied to the stream pipeline will result in an element.
– Alexis C.
Feb 24 '16 at 17:22
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How can I pass command-line arguments to a Perl program?
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Depends on what you want to do. If you want to use the two arguments as input files, you can just pass them in and then use <> to read their contents.
If they have a different meaning, you can use GetOpt::Std and GetOpt::Long to process them easily. ...
Objective-C parse hex string to integer
...ect, however the 0x prefix is optional when scanning hexadecimal integers. If you have a string in the format #01FFFFAB, you can still use NSScanner, but you can skip the first character.
unsigned result = 0;
NSScanner *scanner = [NSScanner scannerWithString:@"#01FFFFAB"];
[scanner setScanLocatio...
How to specify an area name in an action link?
I have a shared master page which I am using from 2 different areas in my mvc 2 app. The master page has an action link which currently specifies the controller and action, but of course the link doesn't work if I'm in the wrong area. I see no overload for actionlink that takes an area parameter, ...
How to use support FileProvider for sharing content to other apps?
...nually grant and revoke permissions(at runtime) for other apps to read specific Uri. Use Context.grantUriPermission and Context.revokeUriPermission methods.
For example:
//grant permision for app with package "packegeName", eg. before starting other app via intent
context.grantUriPermission(packa...
Replace whole line containing a string using Sed
...U sed does not require the space; it works just fine as originally posted. If your particular sed requires the space, then by all means note which sed is incompatible and add the necessary invocation as a comment. However, please don't change working code in an accepted answer.
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Reading my own Jar's Manifest
I need to read the Manifest file, which delivered my class, but when I use:
12 Answers
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How can I make robocopy silent in the command line except for progress?
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/nc /ns is not necessary when /nfl /ndl is specified.
– Vojtěch Dohnal
Feb 6 '17 at 13:23
3
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How to use radio on change event?
...t element.
$('input[type=radio][name=bedStatus]').change(function() {
if (this.value == 'allot') {
alert("Allot Thai Gayo Bhai");
}
else if (this.value == 'transfer') {
alert("Transfer Thai Gayo");
}
});
http://jsfiddle.net/4gZAT/
Note that you are comparing the v...