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How to return an empty ActiveRecord relation?
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In case you don't scroll down to the new 'correct' answer: Model.none is how you'd do this.
– Joe Essey
Jan 20 '15 at 21:01
add a comment...
How to copy an object in Objective-C
...t if you create it using a method whose name begins with “alloc” or “new” or contains “copy”. copyWithZone: meets this criteria, therefore it must return an object with a retain count of +1.
– Steve Madsen
Aug 10 '10 at 16:44
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Doctrine and composite unique keys
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f12641698%2fdoctrine-and-composite-unique-keys%23new-answer', 'question_page');
}
);
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setTimeout in for-loop does not print consecutive values [duplicate]
...5 seconds.
Update
Here in 2018, there is a simpler alternative. With the new ability to declare variables in scopes more narrow than functions, the original code would work if so modified:
for (let i = 1; i <= 2; i++) {
setTimeout(function() { alert(i) }, 100);
}
The let declaration, unl...
How do I reformat HTML code using Sublime Text 2?
...se } }
If your file is not saved (e.g. you just pasted in a snippet to a new window), you can manually set the language for indentation by selecting the menu View → Syntax → language of choice before selecting the reindent option.
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How to keep a Python script output window open?
...luding the Python command itself? Sorry can I have an example please? I am new, very new to Python under windows.
– Fandango68
Nov 30 '17 at 6:51
1
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Child with max-height: 100% overflows parent
...d height as fixed cause my layout is responsive dispaly: flex;. I opened a new thread: I opened I new thread: stackoverflow.com/questions/29732391/… However, in the worse case I could use Jquery to fetch the img real width and height and set them in the parent image's div.
–...
How do I change bash history completion to complete what's already on the line?
...nothing and putting it in .bashrc stop the arrows from doing anything. Any ideas?
– blokkie
Jun 23 '09 at 1:31
Never m...
How to run crontab job every week on Sunday
...e to check Answering Guide. For instance, answer typically should has some new information that is missing in existing answers.
– doz10us
Oct 13 '17 at 11:28
Tomcat: How to find out running tomcat version
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if you can upload a JSP file you may print out some info like in this example: bestdesigns.co.i...