大约有 830 项符合查询结果（耗时：0.0302秒） [XML]
How do I check if an index exists on a table field in MySQL?
... so:
SHOW INDEX FROM [tablename]
Docs: https://dev.mysql.com/doc/refman/5.0/en/show-index.html
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How to click or tap on a TextView text
... It seems like onClick does set the clickable attribute in Android 5.0 Lollipop (API 21). Maybe they considered it a bug that this didn't happen in older versions?
– Mark Doliner
Nov 13 '14 at 23:48
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Set EditText cursor color
...t can work. Tested by android version:
2.3.7 - didn't work
4.4.4 - worked
5.0 - worked
5.1 - worked
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Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
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viewWillLayoutSubviews and viewDidLayoutSubviews (iOS 5.0+) can be used for this purpose. They are called earlier than viewDidAppear.
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How to test an SQL Update statement before running it?
...ns? They have the ROLLBACK-Feature.
@see https://dev.mysql.com/doc/refman/5.0/en/commit.html
For example:
START TRANSACTION;
SELECT * FROM nicetable WHERE somthing=1;
UPDATE nicetable SET nicefield='VALUE' WHERE somthing=1;
SELECT * FROM nicetable WHERE somthing=1; #check
COMMIT;
# or if you wan...
Cleaning up the iPhone simulator
... that contains:
rm -rf "$HOME/Library/Application Support/iPhone Simulator/5.0/Applications/*"
Save this script to a directory in your PATH.
Make the file executable, such as:
chmod +x RemoveSimulatorApps.command
Assumptions
You may want to invoke this from a keyboard favorites buttons, such as...
Command to remove all npm modules globally?
...uninstall $package; done;
EDIT: This command breaks with npm 3.3.6 (Node 5.0). I'm now using the following Bash command, which I've mapped to npm_uninstall_all in my .bashrc file:
npm uninstall `ls -1 node_modules | tr '/\n' ' '`
Added bonus? it's way faster!
https://github.com/npm/npm/issues/...
How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
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PowerShell 5.0
From Microsoft.PowerShell.Archive you can use:
Compress-Archive
Expand-Archive
E.g.:
Create result.zip from the entire Test folder:
Compress-Archive -Path C:\Test -DestinationPath C:\result
Extract the content o...
iOS 7 parallax effect in my view controller
...rsions:
NGAParallaxMotion (requires iOS 7).
DVParallaxView (requires iOS 5.0 or higher and ARC).
MKParallaxView (tested with iOS 6.0, requires ARC).
UIView-MWParallax (tested with iOS 6.1, requires ARC).
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How to access data/data folder in Android device?
... (let's say /data/data/package.name/databases/file) on an unrooted Android 5.0+ device is by using this command:
adb exec-out run-as package.name cat databases/file > file
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