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Convert any object to a byte[]
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201
Use the BinaryFormatter:
byte[] ObjectToByteArray(object obj)
{
if(obj == null)
re...
How to convert a clojure keyword into a string?
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answered Sep 15 '10 at 15:49
kotarakkotarak
16.3k22 gold badges4444 silver badges3838 bronze badges
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Rails mapping array of hashes onto single hash
...g a method call between each element of it.
For example [1, 2, 3].reduce(0, :+) is like saying 0 + 1 + 2 + 3 and gives 6.
In our case we do something similar, but with the merge function, which merges two hashes.
[{:a => 1}, {:b => 2}, {:c => 3}].reduce({}, :merge)
is {}.merge({:a =&g...
CSS - How to Style a Selected Radio Buttons Label?
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303
.radio-toolbar input[type="radio"] {
display: none;
}
.radio-toolbar label {
disp...
What is the “__v” field in Mongoose
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edited Dec 14 '16 at 11:04
Pierre
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answered Sep 1...
Git: Show all of the various changes to a single line in a specified file over the entire git histor
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109
Since git 1.8.4, there is a more direct way to answer your question.
Assuming that line 110 is...
How to change column datatype from character to numeric in PostgreSQL 8.4
...nding on your data):
alter table presales alter column code type numeric(10,0) using code::numeric;
-- Or if you prefer standard casting...
alter table presales alter column code type numeric(10,0) using cast(code as numeric);
This will fail if you have anything in code that cannot be cast to num...
jQuery .scrollTop(); + animation
... first I used an if statement to see if the top of the page was not set to 0. Then if it's not 0 I animate the page to scroll to the top.
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Equivalent C++ to Python generator pattern
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80
Generators exist in C++, just under another name: Input Iterators. For example, reading from std...
Does ARC support dispatch queues?
... now for the long answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6.0 or Mac OS X 10.8 or later
ARC will manage your queue for you. You do ...