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What is Full Text Search vs LIKE
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170
In general, there is a tradeoff between "precision" and "recall". High precision means that fewe...
node.js global variables?
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answered Mar 27 '11 at 20:10
masylummasylum
19.4k33 gold badges1616 silver badges2020 bronze badges
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How to implement classic sorting algorithms in modern C++?
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+50
Algorithmic building blocks
We begin by assembling the algorithmic building blocks from the Standard Library:
#include <algorithm...
You have already activated X, but your Gemfile requires Y
...way to do this.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake.
Yehuda Katz (one ...
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
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Are you connecting to "localhost" or "127.0.0.1" ? I noticed that when you connect to "localhost" the socket connector is used, but when you connect to "127.0.0.1" the TCP/IP connector is used. You could try using "127.0.0.1" if the socket connector is not enabled/wo...
How to check if a String is numeric in Java
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708
With Apache Commons Lang 3.5 and above: NumberUtils.isCreatable or StringUtils.isNumeric.
With...
When is localStorage cleared?
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103
W3C draft says this
User agents should expire data from the local storage areas only for s...
Get record counts for all tables in MySQL database
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edited May 17 '17 at 0:15
JayRizzo
1,66222 gold badges2121 silver badges3333 bronze badges
answered...
How can I build XML in C#?
...ocument, etc.) will quickly take a lot of memory. So if you are writing a 100 MB XML file from CSV, you might consider XmlWriter; this is more primitive (a write-once firehose), but very efficient (imagine a big loop here):
XmlWriter writer = XmlWriter.Create(Console.Out);
writer.WriteStartElement...
How to add an object to an array
...ing into an array using Array.push().
var a=[], b={};
a.push(b);
// a[0] === b;
Extra information on Arrays
Add more than one item at a time
var x = ['a'];
x.push('b', 'c');
// x = ['a', 'b', 'c']
Add items to the beginning of an array
var x = ['c', 'd'];
x.unshift('a', 'b');
// x = ['...