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Google Guava isNullOrEmpty for collections
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answered Aug 3 '11 at 3:17
Kevin BourrillionKevin Bourrillion
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Add Bootstrap Glyphicon to Input Box
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763
Without Bootstrap:
We'll get to Bootstrap in a second, but here's the fundamental CSS concepts ...
Clear a terminal screen for real
...and to do a clear screen instead of merely adding new lines ...
printf "\033c"
yes that's a 'printf' on the bash prompt.
You will probably want to define an alias though...
alias cls='printf "\033c"'
Explanation
\033 == \x1B == 27 == ESC
So this becomes <ESC>c which is the VT100 esca...
How do you select a particular option in a SELECT element in jQuery?
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1236
A selector to get the middle option-element by value is
$('.selDiv option[value="SEL1"]')
Fo...
What is a Manifest in Scala and when do you need it?
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Mitch BlevinsMitch Blevins
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add a comm...
How do I use PHP namespaces with autoload?
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13 Answers
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Environment variables in Mac OS X
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143
There's no need for duplication. You can set environment variables used by launchd (and child pr...
For homebrew mysql installs, where's my.cnf?
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13 Answers
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How do I create a Linked List Data Structure in Java? [closed]
... list.insert(1, 1.01);
list.insert(2, 2.02);
list.insert(3, 3.03);
list.insert(4, 4.04);
list.insert(5, 5.05);
list.printList();
while(!list.isEmpty()) {
Link deletedLink = list.delete();
System.out.print("deleted: ");
...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...of "a" from 1 to 2000.
With MessagePack, 1 uses only 1 byte but 2000 uses 3 bytes. So "b" must be moved backward by 2 bytes, while "b" is not modified.
With BSON, both 1 and 2000 use 5 bytes. Because of this verbosity, you don't have to move "b".
MessagePack has RPC
MessagePack, Protocol Buffers,...