大约有 14,100 项符合查询结果（耗时：0.0224秒） [XML]
Why Choose Struct Over Class?
...fy a single instance of a variable. (For the more technically minded, the exception to that is when capturing a struct inside a closure because then it is actually capturing a reference to the instance unless you explicitly mark it to be copied).
Classes can also become bloated because a class can ...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
...$ python
Python 2.7.3 (default, Apr 20 2012, 22:39:59)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> s = '(\xef\xbd\xa1\xef\xbd\xa5\xcf\x89\xef\xbd\xa5\xef\xbd\xa1)\xef\xbe\x89'
>>> s1 = s.decode('utf-8')
>>> print s1
(...
What is aspect-oriented programming?
...n code and define it vertically like so:
function mainProgram()
{
var x = foo();
doSomethingWith(x);
return x;
}
aspect logging
{
before (mainProgram is called):
{
log.Write("entering mainProgram");
}
after (mainProgram is called):
{
log.Write( "ex...
Scala how can I count the number of occurrences in a list
...
what if I wanted to define an accumulator map in that expression instead of creating a new map?
– Tobias Kolb
Jun 12 '19 at 13:33
add a comment
...
Can't pickle when using multiprocessing Pool.map()
...e pickled, registering it with the copy_reg standard library method.
For example, Steven Bethard's contribution to this thread (towards the end of the thread) shows one perfectly workable approach to allow method pickling/unpickling via copy_reg.
...
How to display request headers with command line curl
...ved Permanently
< Location: http://www.google.com/
< Content-Type: text/html; charset=UTF-8
< Date: Thu, 15 Jul 2010 06:06:52 GMT
< Expires: Sat, 14 Aug 2010 06:06:52 GMT
< Cache-Control: public, max-age=2592000
< Server: gws
< Content-Length: 219
< X-XSS-Protection: 1; mode=...
How to delete/unset the properties of a javascript object? [duplicate]
... should read fully what the effects are of using this:
delete object.index; //true
object.index; //undefined
but if I was to use like so:
var x = 1; //1
delete x; //false
x; //1
but if you do wish to delete variables in the global namespace, you can use it's global object such as window, or ...
How do I POST urlencoded form data with $http without jQuery?
...ialization algorithm and post the data
with the content-type, "application/x-www-form-urlencoded".
Example from here.
$http({
method: 'POST',
url: url,
headers: {'Content-Type': 'application/x-www-form-urlencoded'},
transformRequest: function(obj) {
var str = [];
for...
How can I change the version of npm using nvm?
...
nvm doesn't handle npm.
So if you want to install node 0.4.x (which many packages still depend on) and use NPM, you can still use npm 1.0.x.
Install node 0.6.x (which comes with npm 1.1.x) and install nvm with npm:
npm install nvm
. ~/nvm/nvm.sh
Install node 0.4.x with nvm:
nvm ...
How to create a WPF Window without a border that can be resized via a grip only?
...he border disappears and you can only resize via the grip.
<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Width="640" Height="480"
WindowStyle="None"
AllowsTransparency="True"
ResizeMode="C...