大约有 49,000 项符合查询结果（耗时：0.0747秒） [XML]
Detect Retina Display
...is correct. Just to make things easier, add this line into your Shared.pch file:
#define IS_RETINA ([[UIScreen mainScreen] respondsToSelector:@selector(displayLinkWithTarget:selector:)] && ([UIScreen mainScreen].scale >= 2.0))
Then in any file you can just do:
if(IS_RETINA)
{
// et...
Is quitting an application frowned upon?
...xample, there is a growing movement to try to eliminate the notion of the "file". Most Web applications don't force users to think of files. iPhone apps typically don't force users to think of files. Android apps generally don't force users to think of files. And so on.
Similarly, there is a growing...
Merge, update, and pull Git branches without using checkouts
...hat you'll probably want to make an alias for it in your git configuration file, like this one:
[alias]
sync = !sh -c 'git checkout --quiet HEAD; git fetch upstream master:master; git checkout --quiet -'
What this alias does is the following:
git checkout HEAD: this puts your working copy into...
How do I make a branch point at a specific commit? [duplicate]
...on the release branch." The workspace is maybe cluttered with half changed files that represent work-in-progress and we really don't want to touch and mess with. We'd just like git to flip a few pointers to keep track of the current state and put that release branch back how it should be.
Create a ...
What does this Google Play APK publish error message mean?
...arge, medium and small" though - I have no such limitations in my manifest file
– Nilzor
Apr 17 '13 at 13:10
add a comment
|
...
Why use AJAX when WebSockets is available?
...
@kanaka, If both of them do large files equally well, then why not simply send everything via websockets? Why bother ajaxing pages/data when everything can be sent via WebSockets? (Let's assume it's already 2020 and all browsers have support for WebSockets)
...
Passing arrays as parameters in bash
... functions and even other shell scripts. Easily stored by outputting to a file, and easily loaded from a file into a script.
declare -A foo
read foo <file
Alas, we have been let down by an otherwise superlative bash development team.
As such, to pass an array to a function, there is really o...
How to construct a WebSocket URI relative to the page URI?
...re is no sure-fire way to determine if example.com/part1/part2 refers to a file named part2 within a directory called part1, or wether part2 is a directory within part1, or something completely different (e.g. part1 and part2 are keys within a object database). The meaning of "paths" in a URL is up ...
jQuery Ajax POST example with PHP
...+ Ajax along with errors thrown back on failure.
First of all, create two files, for example form.php and process.php.
We will first create a form which will be then submitted using the jQuery .ajax() method. The rest will be explained in the comments.
form.php
<form method="post" name="pos...
curl POST format for CURLOPT_POSTFIELDS
...OSTFIELDS
The full data to post in a HTTP "POST" operation. To post a file, prepend a filename with @ and use the full path. The filetype can be explicitly specified by following the filename with the type in the format ';type=mimetype'. This parameter can either be passed as a urlencoded strin...