大约有 42,000 项符合查询结果（耗时：0.0250秒） [XML]
boundingRectWithSize for NSAttributedString returning wrong size
...e size that will have the proper height.
UITextView *view=[[UITextView alloc] initWithFrame:CGRectMake(0, 0, width, 10)];
view.text=text;
CGSize size=[view sizeThatFits:CGSizeMake(width, CGFLOAT_MAX)];
height=size.height;
If you are calculating the size in a while loop, do no forg...
using gitignore to ignore (but not delete) files
...
It sounds like you are trying to track a file (e.g. index.php), add it to a remote repository, then stop watching tracking it, while keeping the file in the remote (i.e. keep index.php unchanged on the remote repo while changing it locally).
From what I understand, git cannot do th...
MySQL: determine which database is selected?
... currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
...
PDO Prepared Inserts multiple rows in single query
...ame answer as Mr. Balagtas, slightly clearer...
Recent versions MySQL and PHP PDO do support multi-row INSERT statements.
SQL Overview
The SQL will look something like this, assuming a 3-column table you'd like to INSERT to.
INSERT INTO tbl_name
(colA, colB, colC)
VALUES (?, ?, ...
What are the best PHP input sanitizing functions?
...
Stop!
You're making a mistake here. Oh, no, you've picked the right PHP functions to make your data a bit safer. That's fine. Your mistake is in the order of operations, and how and where to use these functions.
It's important to understand the difference between sanitizing and validating u...
Passing base64 encoded strings in URL
...ommend just writing your own helpers. Like these from the comments on the php manual page for base64_encode:
function base64_url_encode($input) {
return strtr(base64_encode($input), '+/=', '._-');
}
function base64_url_decode($input) {
return base64_decode(strtr($input, '._-', '+/='));
}
...
Which $_SERVER variables are safe?
...lett.org/blog/2006/mar/server-name-versus-http-host.
‡ See https://bugs.php.net/bug.php?id=64457, http://httpd.apache.org/docs/current/mod/core.html#usecanonicalphysicalport, http://httpd.apache.org/docs/2.4/mod/core.html#comment_999
Entirely arbitrary user controlled values
These values are no...
What's quicker and better to determine if an array key exists in PHP?
...
@FrancescoPasa Well, "search for the keys" is what PHP documentation says. Other than that, I can't tell if "search" to them means something completely different to what it means to me.
– Rain
Apr 22 at 6:09
...
Performance - Date.now() vs Date.getTime()
...
Is this because Date(optional).getTime(); has to allocate space to get a new Date object before getting the current time?
– Charlie G
Sep 20 '12 at 17:07
...
How to access remote server with local phpMyAdmin client?
Assuming there is a remote server and I have phpMyAdmin client installed localy on my computer. How can I access this server and manage it via phpMyAdmin client? Is that possible?
...