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In R, how to get an object's name after it is sent to a function?
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What does “all” stand for in a makefile?
...denotes that if you invoke it, make will build all what's needed to make a complete build. This is usually a dummy target, which doesn't create any files, but merely depends on the other files. For the example above, building all necessary is building executables, the other files being pulled in a...
Best way to check if a Data Table has a null value in it
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Try comparing the value of the column to the DBNull.Value value to filter and manage null values in whatever way you see fit.
foreach(DataRow row in table.Rows)
{
object value = row["ColumnName"];
if (value == DBNull.Val...
Is having an 'OR' in an INNER JOIN condition a bad idea?
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Loading existing .html file with android WebView
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Python Pandas merge only certain columns
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114
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getenv() vs. $_ENV in PHP
...itive manner. Most of the time it probably doesn't matter, but one of the comments on the documentation explains:
For example on Windows $_SERVER['Path'] is like you see, with the first letter capitalized, not 'PATH' as you might expect.
Because of that, I would probably opt to use getenv un...
How do I use a file grep comparison inside a bash if/else statement?
When our server comes up we need to check a file to see how the server is configured.
4 Answers
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how to add records to has_many :through association in rails
... That has to be the most elegant solution to this problem I've come across. +1 for you.
– Daniel Bonnell
Feb 9 '16 at 17:27
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What is the difference between connection and read timeout for sockets?
...e connection timeout is the timeout in making the initial connection; i.e. completing the TCP connection handshake. The read timeout is the timeout on waiting to read data1. Specifically, if the server fails to send a byte <timeout> seconds after the last byte, a read timeout error will be ra...