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Android disable screen timeout while app is running
... If I write this code in Application class onCreate() method then will it work for whole app ?
– Jayesh
Oct 22 '16 at 9:04
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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
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For OS X users: brew install coreutils, then use gshuf ... (:
– ELLIOTTCABLE
Jan 24 '13 at 15:53
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What is the difference between self-types and trait subclasses?
...a self type and extending a trait, that is simple. If you say B extends A, then B is an A. When you use self-types, B requires an A. There are two specific requirements that are created with self-types:
If B is extended, then you're required to mix-in an A.
When a concrete class finally extends/mi...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...x, y)
#define UNIQUE static void TOKENPASTE2(Unique_, __LINE__)(void) {}
Then, __LINE__ gets expanded to the line number during the expansion of UNIQUE (since it's not involved with either # or ##), and then the token pasting happens during the expansion of TOKENPASTE.
It should also be noted tha...
NSRange to Range
...lid for a given Swift string.
The UITextFieldDelegate delegate method can then be written as
func textField(textField: UITextField, shouldChangeCharactersInRange range: NSRange, replacementString string: String) -> Bool {
if let swRange = textField.text.rangeFromNSRange(range) {
le...
How do you find the last day of the month? [duplicate]
... Nov 2 '10 at 15:07
Øyvind BråthenØyvind Bråthen
52.2k2525 gold badges113113 silver badges138138 bronze badges
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Git merge without auto commit
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FYI: If you want to merge the changes and then commit as if you had manually typed all of the changes you merged in (as opposed to a traditional merge) you need to run rm .git/MERGE_HEAD afterward, which will force git to forget that the merge happened.
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
...s to add a null constraint, and some fields ALREADY had a null constraint, then rollback the migration, it will REMOVE the null constraint from any field that already had it.
– jpw
Jan 16 '19 at 18:50
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What is the difference between Amazon S3 and Amazon EC2 instance?
...eep forever on to the local storage because as you add or remove instances then you can potentially lost that information or lose that data. EC2 is meant to deploy your application on server(using its processing power) and that server serve the contents through the S3 and RDS, respectively. Hence, A...
How to execute Python scripts in Windows?
..."blah.py" foo
If you type the same thing, including the quotation marks, then you'll get results identical to when you just type "blah.py foo". Now you're in a position to figure out the rest of your problem for yourself.
(Or post more helpful information in your question, like actual cut-and-...