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Rails migration: t.references with alternative name?
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I also read that index is already added to foreign keys as of Rails stackoverflow.com/questions/39769981/…
– Jonathan Reyes
Apr 25 '18 at 5:44
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How do I view events fired on an element in Chrome DevTools?
... Can it show custom events which were created by me? When I read that it changed lives that was the first thing I thought about. Do I miss something?
– Tebe
Oct 24 '14 at 8:06
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Flexbox: center horizontally and vertically
...ter;
-webkit-justify-content: center;
justify-content: center;
You could read this two links for better understanding flex:
http://css-tricks.com/almanac/properties/j/justify-content/ and
http://ptb2.me/flexbox/
Good Luck.
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Cache busting via params
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@spender I have read that some proxy servers (either old, or can be configured to) ignore the query string when caching.
– MrWhite
Aug 22 '14 at 12:03
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how to set desired language in git-gui?
...onment variable to en.
a) Overall for Windows: http://www.itechtalk.com/thread3595.html
b) For the git shell only:
If you don't want to affect anything else except git applications you might add the following line in the beginning of C:\Program Files\Git\cmd\git.cmd file:
@set LANG=en
Please n...
What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...18. (I’ve included a partial list of supporting browsers below).
You can read more in the Mozilla documentation on arrow functions.
From the Mozilla documentation:
An arrow function expression (also known as fat arrow function) has a shorter syntax compared to function expressions and lexically b...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
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Use whatever you and your team find the most readable.
Other answers have suggested that a new string is created every time you use "". This is not true - due to string interning, it will be created either once per assembly or once per AppDomain (or possibly once for t...
How do you create a dictionary in Java? [closed]
...d to build your data structure during exeuction. Think of a put command as reading the file from disc, and placing it in memory(ram) so you can work with it. If you have a file you want loaded in as a data structure on load auto you wouuld need to look into java spring but its complex.
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What is the difference between a “function” and a “procedure”?
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I'm reading the following Ada tutorial (goanna.cs.rmit.edu.au/~dale/ada/aln/8_subprograms.html), where the second paragraph of that page starts with "Procedures in Ada are similar to those in Pascal. A procedure can contain retur...
How to get the insert ID in JDBC?
...racle JDBC driver is still somewhat troublesome with this. MySQL and DB2 already supported it for ages. PostgreSQL started to support it not long ago. I can't comment about MSSQL as I've never used it.
For Oracle, you can invoke a CallableStatement with a RETURNING clause or a SELECT CURRVAL(sequen...