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What is the relationship between Looper, Handler and MessageQueue in Android?
... Also note that a thread can't be associated with more than one Looper. In order to guarantee this association, Looper is stored in thread-local storage, and it can't be created via its constructor directly. The only way to create it is to call prepare static method on Looper. prepare method first e...
How to fully delete a git repository created with init?
... @Van those are bash flags (options), and they can go in whatever order you'd like :)
– De Novo
Mar 4 '18 at 20:00
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Why generate long serialVersionUID instead of a simple 1L?
...alization version UID is to keep track of different versions of a class in order to perform valid serialization of objects.
The idea is to generate an ID that is unique to a certain version of an class, which is then changed when there are new details added to the class, such as a new field, which ...
Detect home button press in android
...d or when home button is pressed. Unfortunatelly I didn't manage to change order of calls of onPause() method of the starting activity and onResume() of the started actvity when Activity.startActivity() is called (or detect in onPause() that activity is launching another activity other way) so this ...
Trimming a huge (3.5 GB) csv file to read into R
... expert at this, but you might consider trying MapReduce, which would basically mean taking a "divide and conquer" approach. R has several options for this, including:
mapReduce (pure R)
RHIPE (which uses Hadoop); see example 6.2.2 in the documentation for an example of subsetting files
Alterna...
Can I export a variable to the environment from a bash script without sourcing it?
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In order to export out the VAR variable first the most logical and seems working way is to source the variable:
. ./export.bash
or
source ./export.bash
Now when echoing from main shell it works
echo $VAR
HELLO, VARABLE
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What does AngularJS do better than jQuery? [closed]
... it is just absolutely unavoidable that jQuery has to hook onto the DOM in order to provide functionality. That means that the view (html) is concerned about functionality (because it is labeled with some kind of identifier - like "image slider") and JavaScript is concerned about providing that func...
What does addChildViewController actually do?
...of View Controller A, but still have View Controller B manage its view. In order for this to work properly, you need to ensure that View Controller B is getting the system events (read UIViewControllerDelegate callbacks). 'addChildViewController' hooks this up for you, to save you the effort of pass...
Why is whitespace sometimes needed around metacharacters?
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Although not easily visible in the tatoo font, there's actually a Byte-Order Mark (BOM) between the brace and the colon (you may have been sufficiently intoxicated when you got the tatoo that you didn't notice it, but it's really there). This leaves three obvious possibilities:
You've failed t...
Jquery bind double click and single click separately
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as of jQuery 1.7: In order to support later-on loaded content (ajax stuff) use $("document").on("click","a" function(e){ instead in line 5. This construct replaces deprecated delegate() usage. Instead of document you can/should use any parent obj...