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Advantages of Binary Search Trees over Hash Tables
...ly allocate as much space as you needed, as well as some metadata about links.
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How to set enum to null
...tice for enums that cannot be null by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None.
public Color myColor = Color.None;
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Can two applications listen to the same port?
...o applications on the same machine bind to the same port and IP address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP?
I know I can have one application that starts off two threads (or forks) to have similar behavior, but can t...
make arrayList.toArray() return more specific types
...ect[] ....but supposed it's an
Arraylist of object Custom , how do I make toArray() to return a type of Custom[] rather than Object[] ?
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Rails 3: Get Random Record
...ffset(rand(Thing.count)).first
Actually, in Rails 3 all examples will work. But using order RANDOM is quite slow for big tables but more sql-style
UPD. You can use the following trick on an indexed column (PostgreSQL syntax):
select *
from my_table
where id >= trunc(
random() * (select ma...
Find which version of package is installed with pip
Using pip, is it possible to figure out which version of a package is currently installed?
15 Answers
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How to convert numbers between hexadecimal and decimal
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Legends
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answered Sep 16 '08 at 16:26
Andy McCluggageAnd...
How to go to a specific file in Chrome Developer Tools?
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JDB still remembers Monica
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answered Jan 30 '13 at 15:52
CD..CD..
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What does `void 0` mean? [duplicate]
Reading through the Backbone.js source code, I saw this:
3 Answers
3
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Sort array of objects by string property value
... edited Apr 21 '19 at 14:30
KostasX
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answered Jul 15 '09 at 3:35
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