大约有 16,000 项符合查询结果（耗时：0.0281秒） [XML]
How to tell when UITableView has completed ReloadData?
...mpletion() }
}
}
...somewhere later...
tableView.reloadData {
print("done")
}
Objective-C:
[UIView animateWithDuration:0 animations:^{
[myTableView reloadData];
} completion:^(BOOL finished) {
//Do something after that...
}];
...
PostgreSQL function for last inserted ID
In PostgreSQL, how do I get the last id inserted into a table?
10 Answers
10
...
Check whether a string contains a substring
...ensitive Substring Example
This is an extension of Eugene's answer, which converts the strings to lower case before checking for the substring:
if (index(lc($str), lc($substr)) != -1) {
print "$str contains $substr\n";
}
...
Length of generator output [duplicate]
... this might be less memory consuming but it seems to be slower than simply converting it to a list.
– lumbric
May 16 '15 at 8:23
...
Javascript Drag and drop for touch devices [closed]
...work on touch devises
or you can use this code which I am using, it also converts mouse events into touch and it works like magic.
function touchHandler(event) {
var touch = event.changedTouches[0];
var simulatedEvent = document.createEvent("MouseEvent");
simulatedEvent.initMous...
How to set the width of a cell in a UITableView in grouped style
...terkoz -- a word of caution: Some iOS controls (UIDatePicker for definite) internally use UITableViewCells and break if you implement this in a category.
– Clafou
Jul 21 '12 at 10:09
...
How to make MySQL handle UTF-8 properly
...set and character-set-server).
If you have existing data that you wish to convert to UTF-8, dump your database, and import it back as UTF-8 making sure:
use SET NAMES utf8 before you query/insert into the database
use DEFAULT CHARSET=utf8 when creating new tables
at this point your MySQL client a...
java.lang.IllegalArgumentException: View not attached to window manager
... // Api >=17
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
if (!((Activity) context).isFinishing() && !((Activity) context).isDestroyed()) {
dismissWithTryCatch(dialog);
...
Should each and every table have a primary key?
...a primary key. In fact, it is sometimes REQUIRED that unique and PK constraints use non-unique indexes.
– Stephanie Page
May 31 '13 at 19:47
3
...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...o four each.
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxConnectionsPerServer"=dword:00000004
"MaxConnectionsPer1_0Server"=dword:00000004
share
|
improve th...