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Objective-C pass block as parameter
...g the * with a ^. One way to pass a block to a method is as follows:
- (void)iterateWidgets:(void (^)(id, int))iteratorBlock;
But as you can see, that's messy. You can instead use a typedef to make block types cleaner:
typedef void (^ IteratorBlock)(id, int);
And then pass that block to a meth...
Generating a drop down list of timezones with PHP
...
I would do it in PHP, except I would avoid doing preg_match 100 some times and do this to generate your list.
$tzlist = DateTimeZone::listIdentifiers(DateTimeZone::ALL);
Also, I would use PHP's names for the 'timezones' and forget about GMT offsets, which will c...
How to debug a single thread in Visual Studio?
...(select all breakpoints).
Right click and select "Filter...".
Enter "ThreadId=(current thread id)".
In Visual Studio 2015 and newer, the process is similar:
Hit Ctrl+A in the breakpoints window (select all breakpoints).
Right click and select "Settings...".
Check "Conditions" and select "Filter"...
Disable Enable Trigger SQL server for a table
... edited Mar 22 '16 at 3:04
David Gardiner
15.8k1414 gold badges6969 silver badges114114 bronze badges
answered Aug 30 '10 at 21:28
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How do I manage MongoDB connections in a Node.js web application?
...t results from MongoClient.connect(). This gives you pooling, and will provide a noticeable speed increase as compared with opening/closing connections on each db action.
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mysql query order by multiple items
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SELECT id, user_id, video_name
FROM sa_created_videos
ORDER BY LENGTH(id) ASC, LENGTH(user_id) DESC
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Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
... Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、闹钟和多种通知类型
Notifier 通知扩展
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How to set RelativeLayout layout params in code not in xml?
...utParams.WRAP_CONTENT);
params.addRule(RelativeLayout.RIGHT_OF, button1.getId());
Button button2;
button2.setLayoutParams(params);
As you can see, this is what you have to do:
Create a RelativeLayout.LayoutParams object.
Use addRule(int) or addRule(int, int) to set the rules. The first method is...
How do write IF ELSE statement in a MySQL query
...uery, however I have been unable to get it to work properly: "SELECT *, N.id (CASE WHEN (N.action == 2 AND N.state == 0) THEN 1 ELSE 0 END) AS N.state FROM notifications N, posts P WHERE N.userID='$session' AND N.uniqueID=P.id AND P.state='0' AND N.action='1' ORDER BY N.date DESC"
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jQuery how to find an element based on a data-attribute value?
...value of current into an Attribute Equals selector:
$("ul").find(`[data-slide='${current}']`)
For older JavaScript environments (ES5 and earlier):
$("ul").find("[data-slide='" + current + "']");
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