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How to change Android version and code version number?
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Reference: mod_rewrite, URL rewriting and “pretty links” explained
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To understand what mod_rewrite does you first need to understand how a web server works. A web...
Alter Table Add Column Syntax
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198
Just remove COLUMN from ADD COLUMN
ALTER TABLE Employees
ADD EmployeeID numeric NOT NULL ID...
java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 [duplicate]
...Here's the list of versions:
Java SE 9 = 53,
Java SE 8 = 52,
Java SE 7 = 51,
Java SE 6.0 = 50,
Java SE 5.0 = 49,
JDK 1.4 = 48,
JDK 1.3 = 47,
JDK 1.2 = 46,
JDK 1.1 = 45
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Static variables in member functions
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169
Since class A is a non-template class and A::foo() is a non-template function. There will be o...
Is it possible to view RabbitMQ message contents directly from the command line?
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You should enable the management plugin.
rabbitmq-plugins enable rabbitmq_management
See he...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
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To quote from the data.table FAQ 1.11 What is the difference between X[Y] and merge(X, Y)?
X[Y] is a join, looking up X's rows using Y (or Y's key if it has one) as an index.
Y[X] is a join, looking up Y's rows using X (or X's key if it has one)
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MongoDB Aggregation: How to get total records count?
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OS X Terminal Colors [closed]
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751
Here is a solution I've found to enable the global
terminal colors.
Edit your .bash_profile (si...
binning data in python with scipy/numpy
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184
It's probably faster and easier to use numpy.digitize():
import numpy
data = numpy.random.ran...