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How to determine if a string is a number with C++?
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The most efficient way would be just to iterate over the string until you find a non-digit character. If there are any non-digit characters, you can consider the string not a number.
bool is_number(const std::string& s)
{
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Check whether HTML element has scrollbars
...s might not be the accepted solution, but it worked for me. Robert, for those cases, couldn't you also fetch the css overflow property to test for those cases (eg div.scrollHeight>div.clientHeight && !(div.style.overflow && div.style.overflow == 'hidden'))?
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How do you round a floating point number in Perl?
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route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
functions.
use POSIX;
$ceil = ceil(3.5); # 4
$floor ...
Remove vertical padding from horizontal ProgressBar
... (like in this answer is better solution and not depend on phone size/type/os version
– koceeng
Feb 27 '17 at 10:52
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show 3 more comments
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How to close TCP and UDP ports via windows command line
Does somebody knows how to close a TCP or UDP socket for a single connection via windows command line?
17 Answers
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How to disable copy/paste from/to EditText
...h means that this solution is not complete. Keep this in mind for your purposes.
– Kevin Grant
Apr 22 '14 at 19:09
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PostgreSQL: How to make “case-insensitive” query
Is there any way to write case-insensitive queries in PostgreSQL, E.g. I want that following 3 queries return same result.
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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
...ypes are not available as attribute types and would like to know what the most efficient way is of storing array/dictionary type data as an attribute (e.g. the elements that make up an address like street, city, etc. does not require a separate entity and is more conveniently stored as a dictionary/...
CSS table-cell equal width
...t. See edit about Safari 6 below */
}
EDIT (2013): Beware of Safari 6 on OS X, it has table-layout: fixed; wrong (or maybe just different, very different from other browsers. I didn't proof-read CSS2.1 REC table layout ;) ). Be prepared to different results.
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Missing Maven dependencies in Eclipse project
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Well, I tried everything posted here, unfortunately nothings works in my case. So, trying different combinations I came out with this one that solved my problem.
1) Open the .classpath file at the root of your eclipse's project.
2) Insert the follow...