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Passing data between a fragment and its container activity
... This adds high coupling to your code and is a bad practice. Now you cannot use the Fragment in any Activity other than MyActivity
– AmeyaB
Nov 10 '16 at 0:13
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How to chain scope queries with OR instead of AND?
...ou would do
Person.where('name=? OR lastname=?', 'John', 'Smith')
Right now, there isn't any other OR support by the new AR3 syntax (that is without using some 3rd party gem).
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How to “comment-out” (add comment) in a batch/cmd?
...d to edit this file before running it! Check the instructions inside
ECHO Now press ctrl-c to interrupt execution or enter to continue
PAUSE
REM erase the section above once you have customised the file
python executed1.py
ECHO Skipping some stuff now
GOTO End
python skipped1.py
python skipped2.py
...
Get first day of week in SQL Server
... weeks have passed since Monday, January 1, 1900? Let's call that [n]. Ok, now add [n] weeks to Monday, January 1, 1900. You should not be surprised that this ends up being a Monday. DATEADD has no idea that you want to add weeks but only until you get to a Sunday, it's just adding 7 days, then addi...
Returning value from Thread
...;Integer>() {
@Override
public Integer call() {return 2;}
});
Now all you do is say value.get() whenever you need to grab your returned value, the thread is started the very second you give value a value so you don't ever have to say threadName.start() on it.
What a Future is, is a pro...
How do you count the lines of code in a Visual Studio solution?
...S2012 includes this feature in both the Ultimate and Premium editions (and now Professional as well).
– SWalters
Dec 17 '13 at 17:09
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show ...
How do I get IntelliJ to recognize common Python modules?
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Odd. I don't know what a facet is so I looked it up and the below page does not show python as an available facet. jetbrains.com/idea/help/…
– netskink
Apr 17 '15 at 22:51
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vertical align middle in
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I have needed to know this simple line-height solution my entire professional life and only learned of it now. Thank you, Mr. Alien.
– Nathan Beach
Nov 30 '18 at 19:30
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Different ways of adding to Dictionary
...d when choosing one. In other words, don't use the 'indexer add' when you know ahead of time that you will always add, or even must always add. Having an IndexOutOfBounds exception get thrown is better than unexpected behavior.
– ryancdotnet
Aug 7 '18 at 21:11
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Rails: What's a good way to validate links (URLs)?
...alid hostname
http://host.foo
as well the following one
http://localhost
Now, let me give you some solutions.
If you want to validate a domain, then you need to forget about regular expressions. The best solution available at the moment is the Public Suffix List, a list maintained by Mozilla. I cr...