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LEFT OUTER JOIN in LINQ
...getting an error on the join operator, which says "The type of one of the expressions in the join clause is incorrect."
– Badhon Jain
Jan 8 '14 at 8:52
3
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Asking the user for input until they give a valid response
...ak out of the loop when you're satisfied.
When Your Input Might Raise an Exception
Use try and except to detect when the user enters data that can't be parsed.
while True:
try:
# Note: Python 2.x users should use raw_input, the equivalent of 3.x's input
age = int(input("Please...
Why does one often see “null != variable” instead of “variable != null” in C#?
In c#, is there any difference in the excecution speed for the order in which you state the condition?
9 Answers
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How to Reverse Fragment Animations on BackStack?
...o your question and answer, but could you maybe link me to something that explains customAnimations a little bit? :P
– AreusAstarte
Apr 13 '13 at 11:29
2
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Remove everything after a certain character
...s = '/Controller/Action?id=11112&value=4444';
s = s.substring(0, s.indexOf('?'));
document.write(s);
Sample here
I should also mention that native string functions are much faster than regular expressions, which should only really be used when necessary (this isn't one of those cases).
Updat...
How to get one value at a time from a generator function in Python?
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Yes, or next(gen) in 2.6+.
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CSS hide scroll bar if not needed
...s will be displayed and I want to hide the scroll bar if content does not exceed the current width.
5 Answers
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Abstract class in Java
...ws the subclass to be interchanged with all other subclasses.
Here's an example:
abstract public class AbstractClass
{
abstract public void abstractMethod();
public void implementedMethod() { System.out.print("implementedMethod()"); }
final public void finalMethod() { System.out.print...
No module named MySQLdb
...s on what OS and software you have and use.
easy_install mysql-python (mix os)
pip install mysql-python (mix os/ python 2)
pip install mysqlclient (mix os/ python 3)
apt-get install python-mysqldb (Linux Ubuntu, ...)
cd /usr/ports/databases/py-MySQLdb && make install clean (FreeBSD)
yum in...
Exporting a function in shell
Please tell me how to export a function in parent shell (bash, sh or ksh) so that the function will be available to all the child process launced from the parent process?
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