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PHP - Modify current object in foreach loop
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207
There are 2 ways of doing this
foreach($questions as $key => $question){
$questions[$ke...
Is XML case-sensitive?
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answered Sep 14 '11 at 10:27
Jon EgertonJon Egerton
35k1010 gold badges8686 silver badges123123 bronze badges
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C++0x lambda capture by value always const?
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answered May 14 '10 at 16:06
Edward StrangeEdward Strange
38.1k77 gold badges6161 silver badges120120 bronze badges
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How do I test if a variable is a number in Bash?
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One approach is to use a regular expression, like so:
re='^[0-9]+$'
if ! [[ $yournumber =~ $re ]] ; then
echo "error: Not a number" >&2; exit 1
fi
If the value is not necessarily an integer, consider amending the regex appropriately; for instance:
^[0-9]+([.][0-9]+)?$
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Java 8 stream reverse order
...ect[] temp = input.toArray();
return (Stream<T>) IntStream.range(0, temp.length)
.mapToObj(i -> temp[temp.length - i - 1]);
}
Another technique uses collectors to accumulate the items into a reversed list. This does lots of insertions at the front of Ar...
How to resize the AVD emulator (in Eclipse)?
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107
From within Eclipse:
Go to Window > Android SDK and AVD Manager > Virtual Devices
Selec...
How to replace a character with a newline in Emacs?
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answered Mar 4 '09 at 23:52
Jonathan ArkellJonathan Arkell
9,45522 gold badges2222 silver badges3232 bronze badges
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How to include external Python code to use in other files?
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edited May 30 '19 at 20:42
nelsonda
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answered Apr 3 '...
Where is shared_ptr?
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edited Mar 9 '12 at 3:01
answered May 27 '10 at 3:09
Ja...
