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Why Java needs Serializable interface?
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120
Serialization is fraught with pitfalls. Automatic serialization support of this form makes the c...
Exploring Docker container's file system
...# create image (snapshot) from container filesystem
docker commit 12345678904b5 mysnapshot
# explore this filesystem using bash (for example)
docker run -t -i mysnapshot /bin/bash
This way, you can evaluate filesystem of the running container in the precise time moment. Container is still running...
Quickly create a large file on a Linux system
...st modern disk based file systems, very fast:
For example:
fallocate -l 10G gentoo_root.img
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Send POST request using NSURLSession
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170
You could try using a NSDictionary for the params. The following will send the parameters correc...
How do I format a Microsoft JSON date?
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1703
eval() is not necessary. This will work fine:
var date = new Date(parseInt(jsonDate.substr(6))...
What is the difference between compare() and compareTo()?
...rder, you may not need compare().
Summary from http://www.digizol.com/2008/07/java-sorting-comparator-vs-comparable.html
Comparable
A comparable object is capable of comparing itself with another object.
Comparator
A comparator object is capable of comparing two different objects. The class is...
What is the difference between 'my' and 'our' in Perl?
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edited Jan 29 at 0:17
Cyclic3
14622 silver badges1010 bronze badges
answered May 20 '09 at 2:22...
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
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+50
Fragments can actually make this a lot easier. Just use the method Fragment.setRetainInstance(boolean) to have your fragment instance...
Keyboard Interrupts with python's multiprocessing Pool
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Haskell Type vs Data Constructor
...ply RGB to three values, we get a colour value!
Prelude> RGB 12 92 27
#0c5c1b
We have constructed a value of type Colour by applying the data constructor. A data constructor either contains a value like a variable would, or takes other values as its argument and creates a new value. If you hav...