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Show an image preview before upload
...he FileReader class to read an image as DataURL and renders a thumbnail by setting the src attribute of an image tag to a data URL:
The html code:
<input type="file" id="files" />
<img id="image" />
The JavaScript code:
document.getElementById("files").onchange = function () {
v...
How to move all files including hidden files into parent directory via *
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You can find a comprehensive set of solutions on this in UNIX & Linux's answer to How do you move all files (including hidden) from one directory to another?. It shows solutions in Bash, zsh, ksh93, standard (POSIX) sh, etc.
You can use these two ...
How do I get the SharedPreferences from a PreferenceActivity in Android?
I am using a PreferenceActivity to show some settings for my application. I am inflating the settings via a xml file so that my onCreate (and complete class methods) looks like this:
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How exactly does a generator comprehension work?
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Insert a commit before the root commit in Git?
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This worked for me. Additionally I used timedatectl set-time '2017-01-01 00:00:00' to give newroot an old timestamp.
– chrm
May 14 '17 at 11:54
add a co...
Broadcast receiver for checking internet connection in android app
I am developing an android broadcast receiver for checking internet connection.
21 Answers
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Animate the transition between fragments
...ew android.animation framework (object animators) with FragmentTransaction.setCustomAnimations as well as FragmentTransaction.setTransition.
Here's an example on using setCustomAnimations from ApiDemos' FragmentHideShow.java:
ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fa...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...eate a Certificate…
Choose a name for the certificate (e.g., gdb-cert), set Identity Type to Self Signed Root, set Certificate Type to Code Signing and select the Let me override defaults. Click several times on Continue until you get to the Specify a Location For The Certificate screen, then set...
Correct way to define C++ namespace methods in .cpp file
Probably a duplicate, but not an easy one to search for...
8 Answers
8
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Get path from open file in Python
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