大约有 47,000 项符合查询结果(耗时:0.0788秒) [XML]
How can I divide two integers to get a double?
...
You want to cast the numbers:
double num3 = (double)num1/(double)num2;
Note: If any of the arguments in C# is a double, a double divide is used which results in a double. So, the following would work too:
double num3 = (double)num1/num2;
For more information see:
Dot Net P...
How can I stop a Postgres script when it encounters an error?
...
156
I think the solution to add following to .psqlrc is far from perfection
\set ON_ERROR_STOP on...
How to get the clicked link's href with jquery?
...
175
this in your callback function refers to the clicked element.
$(".addressClick").click(fun...
Equivalent of varchar(max) in MySQL?
...
197
The max length of a varchar is subject to the max row size in MySQL, which is 64KB (not counti...
Boolean literals in PowerShell
...
174
$true and $false.
Those are constants, though. There are no language-level literals for boole...
Python - abs vs fabs
...
127
math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It...
Python serialization - Why pickle?
...tored, usually one would do:
with open('filename', 'wb') as f:
var = {1 : 'a' , 2 : 'b'}
pickle.dump(var, f)
That would store the pickled version of our var dict in the 'filename' file. Then, in another script, you could load from this file into a variable and the dictionary would be recr...
How to get HTML 5 input type=“date” working in Firefox and/or IE 10
...ew types on an input element. Not surprised that it is not supported in IE10. So, my question is...
14 Answers
...
How do I install an old version of Django on virtualenv?
...
142
There was never a Django 1.0.7. The 1.0 series only went up to 1.0.4. You can see all the rele...
Ruby: How to iterate over a range, but in set increments?
...95 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
share
|
improve this answer
|
...