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How do I daemonize an arbitrary script in unix?
...h this is standard out and standard error both get sent to ./nohup.out, so if you start several scripts in this manor their output will be intertwined. A better command would be:
nohup yourScript.sh script args >script.out 2>script.error&
This will send standard out to the file of your ...
How to compare software version number using js? (only number)
...rom the input strings and then compare pairs of parts from the two arrays; if the parts are not equal we know which version is smaller.
There are a few of important details to keep in mind:
How should the parts in each pair be compared? The question wants to compare numerically, but what if we ha...
Add a column to a table, if it does not already exist
...an use a similar construct by using the sys.columns table io sys.objects.
IF NOT EXISTS (
SELECT *
FROM sys.columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
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How to split one string into multiple variables in bash shell? [duplicate]
...
If your solution doesn't have to be general, i.e. only needs to work for strings like your example, you could do:
var1=$(echo $STR | cut -f1 -d-)
var2=$(echo $STR | cut -f2 -d-)
I chose cut here because you could simply ex...
How to check if NSString begins with a certain character
How do you check if an NSString begins with a certain character (the character *).
10 Answers
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Angularjs ng-model doesn't work inside ng-if
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The ng-if directive, like other directives creates a child scope. See the script below (or this jsfiddle)
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.0rc1/angular.min.js"></script>
<script...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... was working on to programmatically lighten or darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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How to capitalize the first character of each word in a string
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WordUtils.capitalize(str) (from apache commons-text)
(Note: if you need "fOO BAr" to become "Foo Bar", then use capitalizeFully(..) instead)
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Is it possible to determine whether ViewController is presented as Modal?
....presentingViewController isKindOfClass:[UITabBarController class]];
}
Swift:
var isModal: Bool {
return self.presentingViewController?.presentedViewController == self
|| (self.navigationController != nil && self.navigationController?.presentingViewController?.presentedViewCon...
javascript set a variable if undefined
I know that I can test for a javascript variable and then define it if it is undefined, but is there not some way of saying
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