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How to detect iPhone 5 (widescreen devices)?
...an exact number (like 1.0/3.0*3.0 for example). Read this article for more info ;)
– AliSoftware
Sep 16 '12 at 16:50
2
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Simple way to transpose columns and rows in SQL?
...ything about the query itself, or the columns, tables etc it is extracting info from. Something like: (TRANSPOSE (SELECT......)) In my example given above, imagine that the first table is a result set generated from a very complex query involving multiple tables, unions, pivots etc. Yet the result...
What is the purpose of `text=auto` in `.gitattributes` file?
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From the docs:
Each line in .gitattributes (or .git/info/attributes) file is of form:
pattern attr1 attr2 ...
So here, the pattern is *, which means all files, and the attribute is text=auto.
What does text=auto do? From the documentation:
When text is set to "auto", ...
How do I break a string over multiple lines?
...ell (for controlling indentation for example).
See https://yaml-multiline.info/
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How to pass object with NSNotificationCenter
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You'll have to use the "userInfo" variant and pass a NSDictionary object that contains the messageTotal integer:
NSDictionary* userInfo = @{@"total": @(messageTotal)};
NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
[nc postNotificati...
How to check SQL Server version
...ement Studio. After Object Explorer is connected, it will show the version information in parentheses, together with the user name that is used to connect to the specific instance of SQL Server.
Method 3: Look at the first few lines of the Errorlog file for that instance. By default, the error log ...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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00000090 FE 01 00 00 F4 0A 00 24 49 6E 66 6F 3A 20 54 68 .......$Info: Th
000000A0 69 73 20 66 69 6C 65 20 69 73 20 70 61 63 6B 65 is file is packe
000000B0 64 20 77 69 74 68 20 74 68 65 20 55 50 58 20 65 d with the UPX e
000000C0 78 65 63 75 74 61 62 6C 65 20 70 6...
How to find what code is run by a button or element in Chrome using Developer Tools
... Event is an open-source Javascript bookmarklet which provides
debugging information about events that have been attached to DOM
elements. Visual Event shows:
Which elements have events attached to them
The type of events attached to an element
The code that will be run with the even...
What is a PDB file?
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A PDB file contains information for the debugger to work with. There's less information in a Release build than in a Debug build anyway. But if you want it to not be generated at all, go to your project's Build properties, select the Release con...
How can I save an image to the camera roll?
...pple documentation.
Don't forget to add the appropriate key/value to your info.plist to request permission to access the photo library:
<key>NSCameraUsageDescription</key>
<string>Enable camera access to take photos.</string>
<key>NSPhotoLibraryUsageDescription</ke...