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How can I join elements of an array in Bash?
...when the delimiter starts with a hyphen (and maybe others I can't think of now). You can of course fix these (replace backslashes by double backslashes and use printf -- "$d%s"), but at some point you'll feel that you're fighting against the shell instead of working with it. That's why, in my answer...
Best way to test if a row exists in a MySQL table
...OM test WHERE text LIKE '%something%'
LIMIT 1) : 0.044898986816406s.
But now, with a BIGINT PK field, only one entry is equal to '321321' :
SELECT * FROM test2 WHERE id ='321321' LIMIT 1 with
mysql_num_rows() : 0.0089840888977051s.
SELECT count(*) as count FROM test2 WHERE id ='321321' : 0.0003...
How to force Chrome browser to reload .css file while debugging in Visual Studio?
...n there, tick the box: "Disable cache (while DevTools is open)"
UPDATE: Now this setting has been moved. It can be found in the "Network" tab, it's a checkbox labeled "Disable Cache".
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Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i
...east works for me). Below is a screenshot for it:
EDIT:
As far as I know (please point it out if there's something wrong, thanks), if you set ONLY_ACTIVE_ARCH to YES, it means the Xcode will only build for the active architecture (which refers to the device that's active in Xcode currently). S...
What is the order of precedence for CSS?
...es rules in css file ". I've seen this myth a few times recently. I don't know where it comes from, but it's nonsense.
– Alohci
Aug 3 '14 at 15:08
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Difference between FetchType LAZY and EAGER in Java Persistence API?
...s;
private List<Student> students;
// setters and getters
}
Now when you load a University from the database, JPA loads its id, name, and address fields for you. But you have two options for how students should be loaded:
To load it together with the rest of the fields (i.e. eagerl...
iOS Simulator failed to install the application
...have created a Cordova 2.1.0 app, It ran fine for the first 2-3 times. But now when I am trying to run it through terminal it is giving me the following error.I didn't change anything.
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Proper way to use **kwargs in Python
...implement that in Python 2.
The idiom is so important that in Python 3 it now has special supporting syntax: every argument after a single * in the def signature is keyword-only, that is, cannot be passed as a positional argument, but only as a named one. So in Python 3 you could code the above as:...
How can I see which Git branches are tracking which remote / upstream branch?
I know I can do git branch --all , and that shows me both local and remote branches, but it's not that useful in showing me the relationships between them.
...
How to get the path of the batch script in Windows?
I know that %0 contains the full path of the batch script, e.g. c:\path\to\my\file\abc.bat
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