大约有 40,000 项符合查询结果（耗时：0.0465秒） [XML]
GitHub - failed to connect to github 443 windows/ Failed to connect to gitHub - No Error
...date the Git Config for proxy setting
Damn, can not see proxy information from control panel. IT guys must have hidden it. I can not even change the setting to not to use proxy.
Found this wonderful tutorial of finding which proxy your are connected to
Updated the http.proxy key in git config by fo...
Resumable downloads when using PHP to send the file?
...|null
*/
private $lastByte;
/**
* Create a new instance from a Range header string
*
* @param string $header
* @return RangeHeader
*/
public static function createFromHeaderString($header)
{
if ($header === null) {
return null;
...
What's the maximum value for an int in PHP?
...
From the PHP manual:
The size of an integer is
platform-dependent, although a maximum
value of about two billion is the
usual value (that's 32 bits signed).
PHP does not support unsigned
integers. Integer size can be
determi...
What does !! mean in ruby?
... thing that is it used for legitimately is preventing a huge chunk of data from being returned. For example you probably don't want to return 3MB of image data in your has_image? method, or you may not want to return your entire user object in the logged_in? method. Using !! converts these objects...
Creating a “logical exclusive or” operator in Java
...
Java does have a logical XOR operator, it is ^ (as in a ^ b).
Apart from that, you can't define new operators in Java.
Edit: Here's an example:
public static void main(String[] args) {
boolean[] all = { false, true };
for (boolean a : all) {
for (boolean b: all) {
...
What is Turing Complete?
...
From wikipedia:
Turing completeness, named after Alan
Turing, is significant in that every
plausible design for a computing
device so far advanced can be emulated
by a universal Turing machine — an
observation...
How do I loop through a list by twos? [duplicate]
...
If you're using Python 2.6 or newer you can use the grouper recipe from the itertools module:
from itertools import izip_longest
def grouper(n, iterable, fillvalue=None):
"grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
args = [iter(iterable)] * n
return izip_longest(fillvalue=f...
Why does a base64 encoded string have an = sign at the end
...
From Wikipedia:
The final '==' sequence indicates that the last group contained only one byte, and '=' indicates that it contained two bytes.
Thus, this is some sort of padding.
...
How to get UTF-8 working in Java webapps?
...equest headers and html meta-tag), at least Firefox 2/3 and other browsers from this period all encode the character themselves as %D0%B6.
The end result is that all users with name "Petteri" are found and also all users with the name "ж" are found.
But what about äåö?
HTTP-specification def...
Django admin: how to sort by one of the custom list_display fields that has no database field
...t I'd like to point that you can do the same thing directly in the admin:
from django.db import models
class CustomerAdmin(admin.ModelAdmin):
list_display = ('number_of_orders',)
def get_queryset(self, request):
# def queryset(self, request): # For Django <1.6
qs = super(Cu...