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Difference between android.app.Fragment and android.support.v4.app.Fragment
...the native version of the Android SDK. It was introduced in Android 3 (API 11).
If you want to make your app use fragments, and want to target devices before API 11, you must use android.support.v4.app.Fragment. However, if you're only targeting devices running API 11 or above, you can use android....
What do numbers using 0x notation mean?
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112
Literals that start with 0x are hexadecimal integers. (base 16)
The number 0x6400 is 25600.
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MySQL - Make an existing Field Unique
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ALTER IGNORE TABLE mytbl ADD UNIQUE (columnName);
For MySQL 5.7.4 or later:
ALTER TABLE myt...
Unpivot with column name
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edited Apr 27 '18 at 16:20
dasblinkenlight
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Changing password with Oracle SQL Developer
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14 Answers
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jQuery document.ready vs self calling anonymous function
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113
$(document).ready(function(){ ... }); or short $(function(){...});
This Function is called w...
How to write header row with csv.DictWriter?
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150
Edit:
In 2.7 / 3.2 there is a new writeheader() method. Also, John Machin's answer provides a ...
Byte order mark screws up file reading in Java
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115
EDIT: I've made a proper release on GitHub: https://github.com/gpakosz/UnicodeBOMInputStream
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JMS Topic vs Queues
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That means a topic is appropriate. A queue means a message goes to one and only one possible s...
How to check if an array field contains a unique value or another array in MongoDB?
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Try this out:
db.blogpost.find({ 'tags' : 'tag1'}); //1
db.blogpost.find({ 'tags' : { $all : [ 'tag1', 'tag2' ] }}); //2
db.blogpost.find({ 'tags' : { $in : [ 'tag3', 'tag4' ] }}); //3
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