大约有 43,200 项符合查询结果（耗时：0.0418秒） [XML]
How to find event listeners on a DOM node when debugging or from the JavaScript code?
...
19 Answers
19
Active
...
Get the Row(s) which have the max count in groups using groupby
...
11 Answers
11
Active
...
Where does Oracle SQL Developer store connections?
I have an application that I can't get connected to my Oracle Database 11g Express Edition. I created a test database in this edition, and I can connect to the database fine using Oracle SQL Developer, create tables, views etc. However, I'm having a hard time getting connected via my application. Wh...
Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
...
The message you received is common when you have ruby 2.0.0p0 (2013-02-24) on top of Windows.
The message "DL is deprecated, please use Fiddle" is not an error; it's only a warning.
The source is the Deprecation notice for DL introduced some time ago in dl.rb ( see revisions/37910 ).
On...
Javascript replace with reference to matched group?
...
Oh, or you could also:
"hello _there_".replace(/_(.*?)_/, "<div>$1</div>")
share
|
improve this answer
|
follow
|
...
Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
...
381
Seems you forgot the '' of your string.
In [43]: df['Value'] = df.apply(lambda row: my_test(row...
How do I print the elements of a C++ vector in GDB?
... in GDB:
(gdb) print myVector
This will produce an output similar to:
$1 = std::vector of length 3, capacity 4 = {10, 20, 30}
To achieve above, you need to have gdb 7 (I tested it on gdb 7.01) and some python pretty-printer. Installation process of these is described on gdb wiki.
What is more...
How can I get LINQ to return the object which has the max value for a given property? [duplicate]
...
10 Answers
10
Active
...
How can I list (ls) the 5 last modified files in a directory?
...y using head or tail. If you want the 5 most-recently modified files:
ls -1t | head -5
The -1 (that's a one) says one file per line and the head says take the first 5 entries.
If you want the last 5 try
ls -1t | tail -5
...
Using parameters in batch files at Windows command line
...through the command line can be accessed in batch files with the notation %1 to %9. There are also two other tokens that you can use:
%0 is the executable (batch file) name as specified in the command line.
%* is all parameters specified in the command line -- this is very useful if you want to fo...