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How to check if a Unix .tar.gz file is a valid file without uncompressing?
...and throw away the output, rather than decompressing the file?
tar -tzf my_tar.tar.gz >/dev/null
Edited as per comment. Thanks zrajm!
Edit as per comment. Thanks Frozen Flame! This test in no way implies integrity of the data. Because it was designed as a tape archival utility most implementa...
Convert integer to string Jinja
... my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_title_img_w|int + hero_title_img2_w|int }} to use as image's width attribute. Hope it helps somebody one day.
...
How to change options of with jQuery?
...Test1</option><option>Test2</option></select>
In order to change the list of option inside your select, you can use this code bellow. when your name select named selectId.
var option = $('<option></option>').attr("value", "option value").text("Text");
$("#sele...
AWS: How to disable all services?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Integrating the ZXing library directly into my Android application
...t XML file:
<ImageView
android:id="@+id/qrCode"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="50dp"
android:layout_centerHorizontal="true"/>
Code snippet:
// ImageView to display the QR code in. This should be defin...
How do I get the application exit code from a Windows command line?
...cial syntax:
if errorlevel
See if /? for details.
Example
@echo off
my_nify_exe.exe
if errorlevel 1 (
echo Failure Reason Given is %errorlevel%
exit /b %errorlevel%
)
Warning: If you set an environment variable name errorlevel, %errorlevel% will return that value and not the exit code. ...
Version of SQLite used in Android?
...
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...
How can I set the focus (and display the keyboard) on my EditText programmatically
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I had to do this in order to get it showing up in onResume(). Without the delay, nothing would happen using every single solution described in this thread.
– FranticRock
Dec 13 '16 at 18:17
...
“The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine” Error in importing
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...
In Android EditText, how to force writing uppercase?
... your solution does not work because it sets the string on a reverse order.
– co2f2e
May 21 '13 at 6:16
which wa...