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Detecting when the 'back' button is pressed on a navbar
...navigationItem.leftBarButtonItem = backButton
}
// Then handle the button selection
func goBack() {
// Here we just remove the back button, you could also disabled it or better yet show an activityIndicator
self.navigationItem.leftBarButtonItem = nil
someData.saveInBackground { (success...
Given a number, find the next higher number which has the exact same set of digits as the original n
...g order, there's no bigger number to be made without adding digits.)
B.1. Select the last digit of the first sequence:
3472(2) 641
B.2. Find the smallest digit in the second sequence that is larger than it:
3472(2) 6(4)1
B.3. Swap them:
3472(2) 6(4)1
->
3472(4) 6(2)1
->
34724 621
C. ...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
...e of Android Studio then in Android Studio use Build → Analyze APK then select AndroidManifest.xml file.
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TFS checkin error - could not find file
...rectly from the Source Control Explorer. I right-clicked the project, then selected "Undo Pending Changes...", and it disappeared magically! I never expected that "undo pending changes" would remove the entire folder. TFS is unique in this regard.
– Hong
Apr 9 ...
What scalability problems have you encountered using a NoSQL data store? [closed]
...ent CACM paper contrasting Vertica with map-reduce.
Update: And Twitter's selected Cassandra over several others, including HBase, Voldemort, MongoDB, MemcacheDB, Redis, and HyperTable.
Update 2: Rick Cattell has just published a comparison of several NoSQL systems in High Performance Data Stores....
Can you autoplay HTML5 videos on the iPad?
...mmyVideo.get(0) instead of brackets, so jQuery can gracefully fail if your selection is empty.
– Micros
Dec 3 '14 at 14:46
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How can I rollback a github repository to a specific commit?
...it will go bye-bye). To do this, in SourceTree, I right-clicked on the and selected "Reset BRANCHNAME to this commit".
Then navigate to your repository's local directory and run this command:
git -c diff.mnemonicprefix=false -c core.quotepath=false push -v -f -- tags REPOSITORY_NAME BRANCHNAME:B...
Editing Javascript using Chrome Developer Tools
...ct, try right-clicking on the edited file in the tree-view on the left and select "Save". A dialog may appear asking you to save a local file, but you can just cancel. Only at that point Chrome's edit history finally shows that the edit has stuck.
– Erhhung
Aug...
Button Click event fires when pressing Enter key in different input (no forms)
... must override IE's default behavior with preventDefault(). In your jQuery selector, put in the div that contains the text boxes you want to ignore the enter key -- in your case, the "page" div. Instead of selecting the whole div, you could also specify the text boxes you want to ignore specifically...
Gradle - getting the latest release version of a dependency
... + for the version, and want to know which version is actually being used, select Project in the sidebar, and then under External Libraries you will see the actual version number in use.
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