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Should arrays be used in C++?
Since std::list and std::vector exist, is there a reason to use traditional C arrays in C++, or should they be avoided, just like malloc ?
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C default arguments
Is there a way to specify default arguments to a function in C?
19 Answers
19
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How can I check a C# variable is an empty string “” or null? [duplicate]
...lest way to do a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
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How to compare DateTime in C#?
...date1, date2);
string relationship;
if (result < 0)
relationship = "is earlier than";
else if (result == 0)
relationship = "is the same time as";
else
relationship = "is later than";
Console.WriteLine("{0} {1} {2}", date1, relationship, date2);
// The example displays the foll...
custom listview adapter getView method being called multiple times, and in no coherent order
I have a custom list adapter:
11 Answers
11
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How to check if mod_rewrite is enabled in php?
I was wondering if it is possible to check if mod_rewrite is enabled on Apache AND IIS in PHP .
15 Answers
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What does new self(); mean in PHP?
I've never seen code like this:
5 Answers
5
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Is it possible in Java to catch two exceptions in the same catch block? [duplicate]
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Multiple-exception catches are supported, starting in Java 7.
The syntax is:
try {
// stuff
} catch (Exception1 | Exception2 ex) {
// Handle both exceptions
}
The static type of ex is the most specialized common supertype of the exceptions listed. There is a nice feature where if you...
How can I use numpy.correlate to do autocorrelation?
... need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself.
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Associative arrays in Shell scripts
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To add to Irfan's answer, here is a shorter and faster version of get() since it requires no iteration over the map contents:
get() {
mapName=$1; key=$2
map=${!mapName}
value="$(echo $map |sed -e "s/.*--${key}=\([^ ]*\).*/\1/" -e 's/:SP:/ /g'...