大约有 46,000 项符合查询结果（耗时：0.0646秒） [XML]
How to sum a variable by group
...
404
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1...
Add leading zeroes/0's to existing Excel values to certain length
...
508
=TEXT(A1,"0000")
However the TEXT function is able to do other fancy stuff like date formatin...
MySQL show current connection info
...ther useful functions can be found here: http://dev.mysql.com/doc/refman/5.0/en/information-functions.html
share
|
improve this answer
|
follow
|
...
How to add calendar events in Android?
...
10 Answers
10
Active
...
Chrome developer tools: View Console and Sources views in separate views/vertically tiled?
...nded */
#-webkit-web-inspector #main[style*="bottom"]:not([style*="bottom: 0"]) {
width: 50%;
bottom: 0 !important;
}
#-webkit-web-inspector #drawer[style*="height"]:not([style*="height: 0"]) {
/* The position of the drawer */
left: 50% !important;
/* styles to position the #dra...
How to output loop.counter in python jinja template?
...
390
The counter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 i...
Learning Regular Expressions [closed]
... It's the same conceptually as the really big character class [-.?+%$A-Za-z0-9...].
Think of character classes as menus: pick just one.
Helpful shortcuts
Using . can save you lots of typing, and there are other shortcuts for common patterns. Say you want to match a digit: one way to write that is...
What is “Service Include” in a csproj file for?
...here this was added:
<ItemGroup>
<Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
</ItemGroup>
This inclusion turns out to be generated on purpose by VS2013 if you create an NUnit test project, but forget to tag it as test project, as described in this answer from Mi...
Color different parts of a RichTextBox string
...
240
Here is an extension method that overloads the AppendText method with a color parameter:
public...
Can I click a button programmatically for a predefined intent?
... |
edited May 14 '13 at 10:01
laalto
131k3030 gold badges238238 silver badges266266 bronze badges
answe...