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How to prevent multiple instances of an Activity when it is launched with different Intents
I've come across a bug in my application when it is launched using the "Open" button on the Google Play Store app (previously called Android Market). It seems that launching it from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leadi...
Set margin size when converting from Markdown to PDF with pandoc
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@mchangun, I've edited Gavin's answer to include my comment since it is a valid one that might be useful for users who want to use other custom LaTeX packages not included in the default Pandoc templates.
– A5C1D2H2I1M1N2O1R2T1
Nov 23 ...
How to get the data-id attribute?
...out old IE browsers, you can also use HTML5 dataset API
HTML
<div id="my-div" data-info="some info here" data-other-info="more info here">My Awesome Div</div>
JS
var myDiv = document.querySelector('#my-div');
myDiv.dataset.info // "some info here"
myDiv.dataset.otherInfo // "more i...
iOS: How to store username/password within an app?
I have a login-screen in my iOS app.
The username and password will be saved in the NSUserDefaults and be loaded into the login-screen again when you enter the app again (of course, NSUserDefaults are permanent).
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Python json.loads shows ValueError: Extra data
... and I want to filter some data and store it into a new JSON file. Here is my code:
9 Answers
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...ormat:
@echo off
For /f "tokens=2-4 delims=/ " %%a in ('date /t') do (set mydate=%%c-%%a-%%b)
For /f "tokens=1-2 delims=/:" %%a in ('time /t') do (set mytime=%%a%%b)
echo %mydate%_%mytime%
If you prefer the time in 24 hour/military format, you can replace the second FOR line with this:
For /f "t...
SQL Server dynamic PIVOT query?
...ause it is not as clean as I would like it to be. It worked for me because my usage was not publicly facing and sql injection was not a concern. The Aggregate parameter will accept any standard sql aggregate 'AVG', 'SUM', 'MAX' etc. The code also defaults to MAX as an aggregate this is not necessary...
Vagrant's port forwarding not working [closed]
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Thanks! That sneaky firewall rule is what caused my problems on RHEL 5.5.
– Roosh
Jun 25 '12 at 15:07
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Delete duplicate rows from small table
...rsions
AND T1.key = T2.key; -- add more columns if needed
See also my answer at How to delete duplicate rows without unique identifier which includes more information.
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Use CSS to automatically add 'required field' asterisk to form inputs
...jsfiddle.net/erqrN/2). I am actually using absolute positioning to line up my forms. I could absolutely position the * but it would mean that I would have to manually put in the distance for every length of form input, and wouldn't be able to have any flexible inputs.
– brenton...