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How to attach my repo to heroku app
...hboard.heroku.com/apps
Look at the plus sign on the top right corner then select
Create new app
Leave the application name blank to let heroku choose one for you.
Let say your heroku app name is new-app-xxxxx, so to test on adding a file in to it you may try the following command:
git clone http...
How can I maximize the editor pane in IntelliJ IDEA?
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If you want to maximize a pane , select that pane (by clicking inside or on its title bar) and then use the shortcut "Ctrl+Shift+Quotes"
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How do I view the SQLite database on an Android device? [duplicate]
..., type .tables. This will give you all the tables in the database.db file.
select * from table1;
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Iterate two Lists or Arrays with one ForEach statement in C#
...Zip method msdn.microsoft.com/en-us/library/dd267698.aspx and return resultSelector(first, second) instead of a KVP.
– Martín Coll
Jun 12 '13 at 19:17
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ssh “permissions are too open” error
...ress Add... then type your name in the text box "Enter the object names to select" then press Check Names button (and press OK and another OK) then your name should be listed in the Security tab
– Supawat Pusavanno
Oct 16 '19 at 19:23
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Django - filtering on foreign key properties
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Is this going to hit the DB twice, should I be using select_related() to make this more optimal?
– Fraser Graham
Dec 30 '09 at 22:52
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How do I split a string with multiple separators in javascript?
...+/)
Hello,awesome,world!
Edited to add:
You can get the last element by selecting the length of the array minus 1:
>>> bits = "Hello awesome, world!".split(/[\s,]+/)
["Hello", "awesome", "world!"]
>>> bit = bits[bits.length - 1]
"world!"
... and if the pattern doesn't match:
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Do I need to create indexes on foreign keys on Oracle?
...ance of an index may be unacceptable.
Most salient here would seem to be selectivity: if the values in the index would be highly duplicated then it may give better performance to drop the index (if possible) and allow a table scan.
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if A vs if A is not None:
... method returns None if there were no rows in the result. Suppose you were selecting a value that might return 0 and need to know whether it's actually 0 or whether the query had no results at all.
A common idiom is to give a function or method's optional argument the default value of None, and the...
Jquery mouseenter() vs mouseover()
...ever, the mouseenter event only triggers when the mouse pointer enters the selected element. The mouseover event is triggered if a mouse pointer enters any child elements as well.
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