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Why does C++ need a separate header file?
I've never really understood why C++ needs a separate header file with the same functions as in the .cpp file. It makes creating classes and refactoring them very difficult, and it adds unnecessary files to the project. And then there is the problem with having to include header files, but having to...
Pinging servers in Python
...on 2 and Python 3
EDITS:
By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated.
import platform # For getting the operating system name
import subprocess # For executing a shell command
def pi...
Get index of selected option with jQuery
... seem to work in the browsers that I tested, but the option tags doesn't really correspond to actual elements in all browsers, so the result may vary.
Just use the selectedIndex property of the DOM element:
alert($("#dropDownMenuKategorie")[0].selectedIndex);
Update:
Since version 1.6 jQuery ha...
mysql create user if not exists
...alhost' IDENTIFIED BY 'password';
Note that the 5.7.6 method doesn't actually grant any permissions.
If you aren't using a version which has this capability (something below 5.7.6), you can do the following:
GRANT ALL ON `database`.* TO 'user'@'localhost' IDENTIFIED BY 'password';
This will ...
How to debug Angular JavaScript Code
...
shame it doesn't really work. I wish the guy would start maintaining the thing cuz it's a great idea and has a lot of potential
– Tules
Apr 12 '14 at 5:26
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How do I use .toLocaleTimeString() without displaying seconds?
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Here's the documentation of the allowed options (it's based on a separate constructor but the options map one-to-one): developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Brian Peterson
Mar 11 at 18:42
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How do I get ruby to print a full backtrace instead of a truncated one?
When I get exceptions, it is often from deep within the call stack. When this happens, more often than not, the actual offending line of code is hidden from me:
...
SQL standard to escape column names?
...ody> <double quote>
Oracle, PostgreSQL, MySQL, MSSQL and SQlite all support " as the identifier delimiter.
They don't all use " as the 'default'. For example, you have to be running MySQL in ANSI mode and SQL Server only supports it when QUOTED_IDENTIFIER is ON.
...
Android: I am unable to have ViewPager WRAP_CONTENT
...6 '13 at 12:22
Daniel López LacalleDaniel López Lacalle
6,38733 gold badges2222 silver badges2222 bronze badges
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How to send and retrieve parameters using $state.go toParams and $stateParams?
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The Nathan Matthews's solution did not work for me but it is totally correct but there is little point to reaching a workaround:
The key point is: Type of defined parameters and toParamas of $state.go should be same array or object on both sides of state transition.
For example when yo...