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How to close off a Git Branch?
...'ve made a recent change to our procedure. Using git push --tags is heavy handed and downloads all tags. This makes it difficult to have you're own local tags. Instead we use git push origin branch-<feature-branch> to push just the one tag.
– Bill Door
Ap...
Remove spaces from std::string in C++
...emove spaces from a string in C++? I could loop through all the characters and build a new string, but is there a better way?
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How to check null objects in jQuery
I'm using jQuery and I want to check the existence of an element in my page. I have written following code, but it's not working:
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What is the IntelliJ shortcut to create a local variable?
... This is the Introduce Variable refactoring. By default, select some text, and then hit Ctrl + Alt + V (for Mac: ⌘+⌥+V). If the expression is incomplete or invalid, IntelliJ will still make a good guess about what you meant and try to fix it for you.
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JPA getSingleResult() or null
... doesn't exist or update it if it does. To enable this, I have to findByIdAndForeignKey , if it returned null insert if not then update. The problem is how do I check if it exists? So I tried getSingleResult . But it throws an exception if the
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MySQL: How to copy rows, but change a few fields?
... do it without having to specify the column names?
– Andrew
May 6 '10 at 18:00
4
Not that I'm awa...
Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...0'::timestamp::date;
date
------------
2010-01-01
On the other hand you can use date_trunc function. The difference between them is that the latter returns the same data type like timestamptz keeping your time zone intact (if you need it).
=> select date_trunc('day', now());
da...
Ruby on Rails generates model field:type - what are the options for field:type?
I'm trying to generate a new model and forget the syntax for referencing another model's ID. I'd look it up myself, but I haven't figured out, among all my Ruby on Rails documentation links, how to find the definitive source.
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How to convert a char to a String?
I have a char and I need a String . How do I convert from one to the other?
12 Answers
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Responsive css background images
I have a website (g-floors.eu) and I want to make the background (in css I have defined a bg-image for the content) also responsive. Unfortunately I really don't have any idea on how to do this except for one thing that I can think of but it's quite a workaround. Creating multiple images and then us...