大约有 40,000 项符合查询结果(耗时:0.0718秒) [XML]
Remove unwanted parts from strings in a column
...result'] = [x[1:-1] for x in df['result']]
Same rules for handling NaNs, etc, apply.
Performance Comparison
Graphs generated using perfplot. Full code listing, for your reference. The relevant functions are listed below.
Some of these comparisons are unfair because they take advantage of th...
Trim trailing spaces in Xcode
...r to above, but running after the build
finished (including code signing etc).
Useful for additional packaging,
validity checking etc.
Pre/Post SCM Commit scripts.
To check project integrity.
Pre/Post File Save Script.
To check/alter a file before saving. E.g. run cody beautifiers
Cu...
Add native files from NuGet package to project output directory
...
a bit drastic to rename the files etc just because of the warning.
– user3638471
Oct 31 '16 at 23:27
...
Java 7 language features with Android
...nd pane) → Language level → (choose "7.0 - Diamonds, ARM, multi-catch, etc.")
This only allows Java 7 language features, and you can hardly benefit from anything since a half of improvement also comes from the library. Features you could use are those which do not depend on the library:
Di...
ReSharper warns: “Static field in generic type”
...look like. Once you substitute T with something concrete, say int, string, etc., you get a class. It is perfectly legal to have a static member (field, property, method) declared in your newly created class (as in any other class) and no sign of any error here.
It would be somewhat suspicious, at f...
Python - 'ascii' codec can't decode byte
...ely choose whichever keymap you want instead of en_EN.) You can also edit /etc/locale.conf (or whichever file governs the locale definition in your system) to correct this.
share
|
improve this answ...
How to make a chain of function decorators?
...idon!
Python itself provides several decorators: property, staticmethod, etc.
Django uses decorators to manage caching and view permissions.
Twisted to fake inlining asynchronous functions calls.
This really is a large playground.
...
How do I get the filepath for a class in Python?
...ern is:
/project
/appname
models.py
views.py
/templates
index.html
etc.
share
|
improve this answer
|
follow
|
...
What are the best practices for catching and re-throwing exceptions?
...lass ComponentInitException extends Exception {
// public constructors etc as in Exception
}
class Component {
public function __construct() {
try {
$connect = new CONNECT($db, $user, $password, $driver, $host);
}
catch (Exception $e) {
throw ...
I want to get the type of a variable at runtime
...ant to convert the type into a value, so you can store it, pass it around, etc. This involves reflection, and you'll be using either ClassTag or a TypeTag. For example:
val x: Any = 5
import scala.reflect.ClassTag
def f[T](v: T)(implicit ev: ClassTag[T]) = ev.toString
f(x) // returns the string "An...
