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How do I pass a variable by reference?
...nge):
new_string = something_to_do_with_the_old_string(stuff_to_change[0])
stuff_to_change[0] = new_string
# then you could call it like
wrapper = [my_string]
use_a_wrapper_to_simulate_pass_by_reference(wrapper)
do_something_with(wrapper[0])
Although this seems a little cumbersome.
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Dealing with commas in a CSV file
...der.RowEnumerator )
{
Console.WriteLine( "Row {0} has {1} values.", reader.RowIndex, values.Length );
}
}
Console.ReadLine();
}
}
Here are the classes. Note that you can use the Csv.Escape function to write valid CSV as well.
using Syst...
How do I convert Long to byte[] and back in java
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public static byte[] longToBytes(long x) {
buffer.putLong(0, x);
return buffer.array();
}
public static long bytesToLong(byte[] bytes) {
buffer.put(bytes, 0, bytes.length);
buffer.flip();//need flip
return buffer.getLong();
}
}
Since...
SQL: IF clause within WHERE clause
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edited May 23 '17 at 10:31
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111 silver badge
answered Sep 17 '08 at 21:26
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How do I check if the Java JDK is installed on Mac?
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190
javac -version in a terminal will do
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What is the Git equivalent for revision number?
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150
Good or bad news for you, that hash IS the revision number. I also had trouble with this when I...
Selecting only first-level elements in jquery
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Changing user agent on urllib2.urlopen
...to scripts. For example, Mozilla Firefox may identify itself as "Mozilla/5.0 (X11; U; Linux i686) Gecko/20071127 Firefox/2.0.0.11", while urllib2‘s default user agent string is "Python-urllib/2.6" (on Python 2.6).
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How can I add numbers in a Bash script?
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1010
For integers:
Use arithmetic expansion: $((EXPR))
num=$((num1 + num2))
num=$(($num1 + $num2...
Making a Simple Ajax call to controller in asp.net mvc
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asbasb
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