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Extract digits from a string in Java
I have a Java String object. I need to extract only digits from it. I'll give an example:
14 Answers
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How to rollback a specific migration?
I have the following migration file db\migrate\20100905201547_create_blocks.rb
14 Answers
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Add primary key to existing table
...n ADD CONSTRAINT PK_Persion PRIMARY KEY (PersionId,Pname,PMID);
This can set constraint name by developer. It's more easily to maintain the table.
I got a little confuse when i have looked all answers. So I research some document to find every detail. Hope this answer can help other SQL beginner....
How to convert a color integer to a hex String in Android?
I have an integer that was generated from an android.graphics.Color
9 Answers
9
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Nested Models in Backbone.js, how to approach
... when you're reading from the server. Now, you would notice that saving or setting is actually not handled here because I feel that it makes sense for you to set the nested model explicitly using the proper model.
Like so:
image.set({layout : new Layout({x: 100, y: 100})})
Also take note that yo...
Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
Why python 2.7 doesn't include Z character (Zulu or zero offset) at the end of UTC datetime object's isoformat string unlike JavaScript?
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Commenting multiple lines in DOS batch file
...e them most):
With rectangular brackets:
@echo off
::GOTO comment macro
set "[:=goto :]%%"
::brackets comment macros
set "[=rem/||(" & set "]=)"
::testing
echo not commented 1
%[:%
multi
line
comment outside of brackets
%:]%
echo not commented 2
%[:%
second multi
line
commen...
How to programmatically clear application data
...order to do so, I need to clear the app data. This can be done manually in Settings/Applications/Manage Applications/[My App]/Clear data
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what are the .map files used for in Bootstrap 3.x?
...@IssaFarax You can disable loading source maps through the ChromeDev tools settings. Open DevTools > Click the settings gear > Uncheck Enable (JavaScript|CSS) source maps
– Giles Wells
Jun 25 '14 at 18:39
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Pretty Printing a pandas dataframe
...function does not seem to be printing the index of the Pandas DataFrame. I set the index using df.index.name = 'index' but this does not print the index column with a name.
– edesz
Mar 12 '15 at 21:21
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