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How to check if running as root in a bash script
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430
The $EUID environment variable holds the current user's UID. Root's UID is 0. Use something like...
Inject errors into already validated form?
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edited Oct 19 '18 at 10:05
wolendranh
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How can I use a local image as the base image with a dockerfile?
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answered Dec 10 '13 at 17:50
jpetazzojpetazzo
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Performance - Date.now() vs Date.getTime()
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106
These things are the same (edit semantically; performance is a little better with .now()):
var...
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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edited Jun 20 at 9:12
Community♦
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answered Sep 10 '12 at 14:41
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Print variables in hexadecimal or decimal format
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cnicutarcnicutar
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Capitalize or change case of an NSString in Objective-C
...g stringWithString:self];
[self enumerateSubstringsInRange:NSMakeRange(0, [self length])
options:NSStringEnumerationBySentences
usingBlock:^(NSString *sentence, NSRange sentenceRange, NSRange enclosingRange, BOOL *stop) {
[mutableSel...
How to include (source) R script in other scripts
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edited Sep 11 '15 at 8:03
Roman
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answered Jun ...
Android equivalent of NSUserDefaults in iOS
...editor.commit();
//--READ data
myvar = preferences.getInt("var1", 0);
Where 'context' is the current context (e.g. in an activity subclass could be this).
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Devise - How do I forbid certain users from signing in?
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KrauseFx
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answered May 14 '11 at 19:38
ZabbaZabba
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