大约有 46,000 项符合查询结果（耗时：0.0876秒） [XML]
how do you filter pandas dataframes by multiple columns
...
Note that the Gender and Year should both be strings, i.e., 'Gender' and 'Year'.
– Steven C. Howell
May 4 '17 at 19:47
|
...
How do you do a case insensitive search using a pattern modifier using less?
...ummon this feature on a per search basis like so:
less prompt> /search string/-i
This option is in less's interactive help which you access via h:
less prompt> h
...
-i ........ --ignore-case
Ignore case in searches that do not contain uppercase.
-I ........ --IGN...
Argparse optional positional arguments?
...gt; parser.add_argument('-v', action='store_true')
_StoreTrueAction(option_strings=['-v'], dest='v', nargs=0, const=True, default=False, type=None, choices=None, help=None, metavar=None)
>>> parser.add_argument('dir', nargs='?', default=os.getcwd())
_StoreAction(option_strings=[], dest='dir...
Is it possible to assign numeric value to an enum in Java?
... return otherMass * surfaceGravity();
}
public static void main(String[] args) {
if (args.length != 1) {
System.err.println("Usage: java Planet <earth_weight>");
System.exit(-1);
}
double earthWeight = Double.parseDouble(args[0]);
...
Set selected item of spinner programmatically
...code is that @Boardy want the selection of Category 2 which I suppose is a String (assuming he tried using Spinner.SelectedText = "Category 2") but the above code is for a long.
– Arun George
Jun 17 '12 at 15:47
...
How can I return NULL from a generic method in C#?
...ire it be IDisposable. Yes, most of the time it doesn't have to be. System.String doesn't implement IDisposable, for example. The answerer should have clarified that, but that doesn't make the answer wrong. :)
– ahwm
Aug 30 '18 at 22:34
...
Filtering fiddler to only capture requests for a certain domain
...arc Gravels, however I prefer to filter it by url containing some specific string.
You will need fiddler script - it's an add-on to fiddler.
When installed go to fiddler script tag and paste following into OnBeforeRequest function. (Screenshot below)
if (oSession.url.Contains("ruby:8080") || oS...
Enums and Constants. Which to use when?
...
What if you end up using .ToString() on the enum a lot, any value in using a class with const strings that looks and acts like an enum but circumvents a call to ToString()? Example
– Sinjai
Jan 29 '18 at 0:28
...
What is the in a .vimrc file?
...der
To define a mapping which uses the "mapleader" variable, the special string
"<Leader>" can be used. It is replaced with the string value of "mapleader".
If "mapleader" is not set or empty, a backslash is used instead.
Example:
:map <Leader>A oanother line <Esc>
Works ...
AngularJS : Differences among = & @ in directive scope? [duplicate]
...
Summary
@attr binds to a matching DOM attribute's evaluated string value.
=attr binds to a matching DOM attribute's scope property.
&attr binds to a matching DOM attribute's scope function.
@
=
&
We use the 4, 5, and 6 if the target DOM attribute's name matches the isolate ...