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How to close Android application?
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Android has a mechanism in place to close an application safely per its documentation. In the last Activity that is exited (usually the main Activity that first came up when the application started) just place a couple of li...
How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
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One trick is to avoid activeByDefault, and instead activate the profile by the absence of a property, eg:
<profiles>
<profile>
<id>firstProfile</id>
<activation>
<property>
<name>!skipFirstProfile&...
Deep cloning objects
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Whilst the standard practice is to implement the ICloneable interface (described here, so I won't regurgitate), here's a nice deep clone object copier I found on The Code Project a while ago and incorporated it in our stuff.
As mentioned ...
On a CSS hover event, can I change another div's styling? [duplicate]
...e adjacent sibling combinator (+).
If there are other elements between #a and #b, you can use this: http://jsfiddle.net/u7tYE/1/
#a:hover ~ #b {
background: #ccc
}
<div id="a">Div A</div>
<div>random other elements</div>
<div>random other elements</div>
<...
Convert NSNumber to int in Objective-C
...mplicit conversion is now disallowed with ARC.
– Alexander
Nov 21 '17 at 12:52
basically [key intValue] (key is NSNumb...
angular.element vs document.getElementById or jQuery selector with spin (busy) control
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working with Google Maps API, and this worked: var autocomplete = new google.maps.places.Autocomplete( $document[0].querySelector('#address'), { types: ['geocode'], componentRestrictions: {country: 'us'} } );. Thanks for the tip ...
VIM ctrlp.vim plugin: how to rescan files?
...cross the awesome ctrlp.vim plugin . It is a good alternative to the Command-T plugin which I have used before. What I did not like about Command-T is that it would take about 20-30 seconds to rescan files when it is invoked for the first time after starting vim.
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How to change folder with git bash?
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The command is:
cd /c/project/
Tip:
Use the pwd command to see which path you are currently in, handy when you did a right-click "Git Bash here..."
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How to read contacts on Android 2.0
I'm working on Android 2.0 and am trying to receive a list of all contacts.
9 Answers
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Add up a column of numbers at the Unix shell
..... | paste -sd+ - | bc
is the shortest one I've found (from the UNIX Command Line blog).
Edit: added the - argument for portability, thanks @Dogbert and @Owen.
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