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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 Em>x m>ception
Use try and em>x m>cept to detect when the user enters data that can't be parsed.
while True:
try:
# Note: Python 2.m>x m> users should use raw_input, the equivalent of 3.m>x m>'s input
age = int(input("Please...
Remove everything after a certain character
...s = '/Controller/Action?id=11112&value=4444';
s = s.substring(0, s.indem>x m>Of('?'));
document.write(s);
Sample here
I should also mention that native string functions are much faster than regular em>x m>pressions, which should only really be used when necessary (this isn't one of those cases).
Updat...
No module named MySQLdb
...s on what OS and software you have and use.
easy_install mysql-python (mim>x m> os)
pip install mysql-python (mim>x m> os/ python 2)
pip install mysqlclient (mim>x m> os/ python 3)
apt-get install python-mysqldb (Linum>x m> Ubuntu, ...)
cd /usr/ports/databases/py-MySQLdb && make install clean (FreeBSD)
yum in...
Abstract class in Java
...ws the subclass to be interchanged with all other subclasses.
Here's an em>x m>ample:
abstract public class AbstractClass
{
abstract public void abstractMethod();
public void implementedMethod() { System.out.print("implementedMethod()"); }
final public void finalMethod() { System.out.print...
Em>x m>porting a function in shell
Please tell me how to em>x m>port 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?
...
Call Javascript function from URL/address bar
...Official Build) (64-bit). Chrome automatically strips the javascript: prefim>x m> from the address bar.
– stomy
Mar 17 at 18:03
...
How do I pass JavaScript variables to PHP?
...
@sergey, so i need to use ajam>x m>? Actually, i'm familliar with that.
– SUN Jiangong
Dec 18 '09 at 10:08
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What does `void 0` mean? [duplicate]
...
What does void 0 mean?
void[MDN] is a prefim>x m> keyword that takes one argument and always returns undefined.
Em>x m>amples
void 0
void (0)
void "hello"
void (new Date())
//all will return undefined
What's the point of that?
It seems pretty useless, doesn't it? If it alw...
How do I create a namespace package in Python?
...ful when you want to release related libraries as separate downloads. For em>x m>ample, with the directories Package-1 and Package-2 in PYTHONPATH ,
...
“Failed to load platform plugin ”m>x m>cb“ ” while launching qt5 app on linum>x m> without qt installed
I wrote application for linum>x m> which uses Qt5.
17 Answers
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