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'setInterval' vs 'setTimeout' [duplicate]
What is the main difference between
5 Answers
5
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How to change MenuItem icon in ActionBar programmatically
...m(R.id.action_settings);
// set your desired icon here based on a flag if you like
settingsItem.setIcon(ContextCompat.getDrawable(this, R.drawable.ic_launcher));
return super.onPrepareOptionsMenu(menu);
}
sha...
Is there a macro recorder for Eclipse? [closed]
...t in the eclipse/downloads/plugins directory (create the plugins directory if it doesn't exist). You can edit macros by going to Windows/Preferences/Practically Macro Options and you can run the macros via a new toolbar that is created.
– gordon613
Mar 30 '17 a...
Cannot drop database because it is currently in use
...tabase and then, to drop it:
Try
SP_WHO to see who connected
and KILL if needed
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Changing the maximum length of a varchar column?
...olumn <<new_datatype>> [NULL | NOT NULL]
But remember to specify NOT NULL explicitly if desired.
ALTER TABLE YourTable ALTER COLUMN YourColumn VARCHAR (500) NOT NULL;
If you leave it unspecified as below...
ALTER TABLE YourTable ALTER COLUMN YourColumn VARCHAR (500);
Then the co...
Find integer index of rows with NaN in pandas dataframe
... thanks, .nonzero()[0] is better than [i for i, k in enumerate(mask) if k] .)
– Winand
Feb 4 '16 at 6:51
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CSS background-image - What is the correct usage?
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The path can either be full or relative (of course if the image is from another domain it must be full).
You don't need to use quotes in the URI; the syntax can either be:
background-image: url(image.jpg);
Or
background-image: url("image.jpg");
However, from W3:
So...
How to create unit tests easily in eclipse [closed]
... plug-in to create tests easily:
highlight the method
press Ctrl+Alt+Shift+U
it will create the unit test for it.
The plug-in is available here. Hope this helps.
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer management does give an order of magnitude improvement.
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PostgreSQL query to list all table names?
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If you want list of database
SELECT datname FROM pg_database WHERE datistemplate = false;
If you want list of tables from current pg installation of all databases
SELECT table_schema,table_name FROM information_schema.tab...