大约有 48,000 项符合查询结果(耗时:0.0684秒) [XML]
The name 'ConfigurationManager' does not exist in the current context
...
+1 Thanks Kieran. Do you know why this has to be done when most other assemblies can simply be called by including the 'using' statement?
– Dhaust
Sep 2 '10 at 5:44
...
postgresql - sql - count of `true` values
...
Yuk. That fix is really confusing. AFAICS, it will now count true or null values. I think that rephrasing it so that you always have nullif([boolean expression], false) makes it much easier to read. You can then vary the boolean expression part to be whatever you like, in th...
What does .SD stand for in data.table in R
.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it?
...
Standard Android menu icons, for example refresh [closed]
... they really are. Thanks, I feel stupid for downloading the git repository now ^^
– poke
Apr 22 '10 at 8:49
49
...
Why use finally in C#?
...housekeeping functions you need to always run like closing connections.
Now, I'm guessing your question is why you should do this:
try
{
doSomething();
}
catch
{
catchSomething();
}
finally
{
alwaysDoThis();
}
When you can do this:
try
{
doSomething();
}
catch
{
catchSomet...
Parse an HTML string with JS
...upported by webkit and you'd have to follow Florian's answer, and it is unknown to work in most cases on mobile browsers.
Edit: Now widely supported
share
|
improve this answer
|
...
Why does the expression 0 < 0 == 0 return False in Python?
...es check if 0 < 0 which obviously returns False onto the python stack.
Now notice line 11: JUMP_IF_FALSE_OR_POP 23
This means that if 0 < 0 returns False perform a jump to line 23.
Now, 0 < 0 is False, so the jump is taken, which leaves the stack with a False which is the return value for...
Copy object values in Visual Studio debug mode
... PS I am so loving the features of bugaid. downloading trail now and when it expires and i start gauging my eyeballs out will make my boss buy it for me.. :)
– Piotr Kula
Oct 25 '12 at 9:35
...
List comprehension in Ruby
...
Actually I see now the OP itself had some existing list the author wanted to transform. But the archetypal conception of list comprehension involves creating an array/list where one didn't exist before by referencing some iteration. But a...
javac not working in windows command prompt
... of checking, execute:
echo %path%
from your command prompt and let us know what it is.
Otherwise, make sure there is a javac in that directory by trying:
"c:\program files\java\jdk1.6.0_16\bin\javac.exe"
from the command prompt. You can also tell which executable (if any) is being used with ...
