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Convert NSArray to NSString in Objective-C
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NSString * result = [[array valueForKey:@"description"] componentsJoinedByString:@""];
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Extracting the last n characters from a ruby string
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Here you have a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
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What differences, if any, between C++03 and C++11 can be detected at run-time?
...w how likely you are to have this working on a real implementation though. One that exploits auto
struct x { x(int z = 0):z(z) { } int z; } y(1);
bool isCpp0x() {
auto x(y);
return (y.z == 1);
}
The following is based on the fact that operator int&& is a conversion function to int&am...
How do I split a string on a delimiter in Bash?
... -ra ADDR <<< "$IN"
for i in "${ADDR[@]}"; do
# process "$i"
done
It will parse one line of items separated by ;, pushing it into an array. Stuff for processing whole of $IN, each time one line of input separated by ;:
while IFS=';' read -ra ADDR; do
for i in "${ADDR[@]}"; do
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Is it better to call ToList() or ToArray() in LINQ queries?
...tly to the number of elements.
To meet this constraint ToArray often does one more allocation than ToList. Once it has an array that is big enough it allocates an array which is exactly the correct size and copies the elements back into that array. The only time it can avoid this is when the grow...
How do I get the last character of a string?
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Question asks for a character - this returns a one character long string. Should use charAt() not substring()
– Andrew
Mar 31 at 13:19
1
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$apply already in progress error
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This answer is much more helpful than the one above. I need a solution, not to be admonished for something that might be beyond my control. We have a mixture of angular and legacy code, and they have to interact somehow. It's too expensive to just rewrite all the leg...
Deleting elements from std::set while iterating
...fix, hence it passes the old position to erase, but first jumps to a newer one due to the operator.
2015.10.27 update:
C++11 has resolved the defect. iterator erase (const_iterator position); return an iterator to the element that follows the last element removed (or set::end, if the last element w...
Select random row from a sqlite table
...t perfect : the distribution of probability is higher on the last row (the one with the highest rowid), but if you often add stuff to the table, it will become a moving target and the distribution of probabilities should be much better.
Yet another solution, if you often select random stuff from a ...
How to change package name of Android Project in Eclipse?
...anges to all the references of the package which are referred by other components of project.
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