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How to remove spaces from a string using JavaScript?
...n this case there is no difference. But + is used for finding with atleast one occurrence.
– Gaurav
May 11 '11 at 11:23
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What do two question marks together mean in C#?
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Just because no-one else has said the magic words yet: it's the null coalescing operator. It's defined in section 7.12 of the C# 3.0 language specification.
It's very handy, particularly because of the way it works when it's used multiple t...
How to remove trailing whitespaces with sed?
...ession. There is no concatenation operator in bash, you just place strings one after the other with no space in between.
The $'\t' resolves as a literal tab-character in bash (using ANSI-C quoting), so the tab is correctly concatenated into the expression.
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Unknown Column In Where Clause
...ng to perform a query like the following (find all the nodes with at least one attachment) where you've used a SELECT statement to create a new field which doesn't actually exist in the database, and try to use the alias for that result you'll run into the same problem:
SELECT nodes.*, (SELECT (COU...
What's the best way to use R scripts on the command line (terminal)?
... allow you to run the first Rscript found in your own $PATH, thus allowing one to actually run something other than a system-wide/default Rscript (which may not be installed in /usr/whatever). I would recommend using env for R and Rscript stuff, since these in particular may not be installed in stan...
How do I find the stack trace in Visual Studio?
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Love how everyone else in other threads similar to this totally missed the MOST important part of the answer.
– AvetisG
May 19 '15 at 19:57
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SQLAlchemy - Getting a list of tables
...my.ext.declarative.declarative_base()
>>> Base.metadata
MetaData(None)
If you are trying to figure out what tables are present in your database, even among the ones you haven't even told SQLAlchemy about yet, then you can use table reflection. SQLAlchemy will then inspect the database an...
How to select all instances of selected region in Sublime Text
... that the most appropriate thing to do with duplicate answers such as this one is to downvote them. So -1 from me. See this on meta: meta.stackexchange.com/a/226562/228219
– ArtOfWarfare
Sep 3 '14 at 15:25
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No Activity found to handle Intent : android.intent.action.VIEW
... didnt have any app that can open URLs (i.e.
browsers) installed in my phone. So after Installing a browser the
problem was solved.
*Lesson : Make sure there is at least one app which handles the intent you are calling *
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How can you tell when a layout has been drawn?
...and height. onCreate() is called before the layout of the child views are done. So the width and height is not calculated yet. To get the height and width, put this on the onCreate() method:
final LinearLayout layout = (LinearLayout) findViewById(R.id.YOUR_VIEW_ID);
ViewTreeObserver vto = l...