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How can I create an array with key value pairs?
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150
Use the square bracket syntax:
if (!empty($row["title"])) {
$catList[$row["datasource_id"...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
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105
You could try using the interactive option for python:
python -i program.py
This will execu...
Difference between -pthread and -lpthread while compiling
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118
-pthread tells the compiler to link in the pthread library as well as configure the compilatio...
How to make Entity Framework Data Context Readonly
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179
In addition to connecting with a read-only user, there are a few other things you can do to yo...
What does PorterDuff.Mode mean in android graphics.What does it do?
... Da Destination alpha
Dc Destination color
Where alpha is a value [0..1], and color is substituted once per channel (so use the formula once for each of red, green and blue)
The resulting values are specified as a pair in square braces as follows.
[<alpha-value>,<color-value>]
W...
Python json.loads shows ValueError: Extra data
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153
As you can see in the following example, json.loads (and json.load) does not decode multiple j...
What is the proper way to check if a string is empty in Perl?
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134
For string comparisons in Perl, use eq or ne:
if ($str eq "")
{
// ...
}
The == and != op...
How to “re-run with -deprecation for details” in sbt?
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217
sbt shell
While in sbt shell (if you don't want to change your build.sbt):
$ sbt
> set sca...
Specifying colClasses in the read.csv
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answered May 10 '10 at 18:36
George DontasGeorge Dontas
26.7k1717 gold badges100100 silver badges138138 bronze badges
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'const string' vs. 'static readonly string' in C#
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172
When you use a const string, the compiler embeds the string's value at compile-time.
Therefore...