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How to concatenate stdin and a string?
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It actually appends string to every line. Try echo 'input'\n'another line' | awk '{print $0"string"}'.
– tomekwi
Feb 3 '16 at 8:20
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How to detect a textbox's content has changed
...f text then right-click-cut. Or dragging it. Or dropping text from another app into the textbox. Or changing a word via the browser's spell-check. Or...
So if you must detect every change, you have to poll for it. You could window.setInterval to check the field against its previous value every (say...
Firebase Storage How to store and Retrieve images [closed]
...ct that does that here: https://github.com/firebase/firepano
The general approach is to load the file locally (using FileReader) so you can then store it in Firebase just as you would any other data. Since images are binary files, you'll want to get the base64-encoded contents so you can store it...
How to configure Mac OS X term so that git has color? [closed]
...ing
$ git config --global color.diff true
to set your $HOME/.gitconfig appropriately.
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How do I update/upsert a document in Mongoose?
...the docs: "... when using the findAndModify helpers, the following are not applied: defaults, setters, validators, middleware" mongoosejs.com/docs/api.html#model_Model.findOneAndUpdate
– kellen
Nov 6 '14 at 16:56
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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
... counts as true in the shell and any other code counts as false. So java MyApp && echo success will print "success" iff MyApp has an exit code of 0, i.e. if it calls exit(0) or simply reaches the end of the main method without an error.
– sepp2k
Mar 12 ...
How do I specify local .gem files in my Gemfile?
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I would unpack your gem in the application vendor folder
gem unpack your.gem --target /path_to_app/vendor/gems/
Then add the path on the Gemfile to link unpacked gem.
gem 'your', '2.0.1', :path => 'vendor/gems/your'
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Python SQL query string formatting
...to find the best way to format an sql query string. When I'm debugging
my application I'd like to log to file all the sql query strings, and it is
important that the string is properly formated.
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Markdown to create pages and table of contents?
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The app isn't available in the UK region.
– kenorb
Jul 3 '19 at 13:29
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HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?
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Slade - I just did this in a Windows Store app: MaxWidth="{Binding ActualWidth, ElementName=Layout}" and it worked fine for binding MaxWidth to another elements ActualWidth property. I'm not sure why this worked for me but it did what I expected, and like was mentione...