大约有 47,000 项符合查询结果（耗时：0.0539秒） [XML]
Check if a number is int or float
... @Glenn: I assume S.Lott understood the question as "check if a string is an int or float" (in which case it would actually be a good solution).
– user395760
Dec 27 '10 at 20:00
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Does Firefox support position: relative on table elements?
...s well. display: block isn't enough of a fix on complex table layouts. The extra div is solution that is more reliable.
– DA.
Apr 18 '12 at 4:49
5
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Writing your own STL Container
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Code is runnable out of the box.
#include <iostream>
#include <string>
#include <vector>
template<typename T>
struct It
{
std::vector<T>& vec_;
int pointer_;
It(std::vector<T>& vec) : vec_{vec}, pointer_{0} {}
It(std::vector<T>&...
Finding the Eclipse Version Number
...uring out the version of eclipse\plugins\org.eclipse.platform_ plugin
String platformFile = <the above file>; //actually directory
versionPattern = Pattern.compile("\\d\\.\\d\\.\\d");
Matcher m = versionPattern.matcher(platformFile);
return m.group();
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How can I set response header on express.js assets
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@BrunoCasali extra headers are blocked by browser by default, see stackoverflow.com/a/37931084/1507207
– sbk201
Jan 14 at 6:31
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How to get diff working like git-diff?
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Needed to enable Extra Packages for Enterprise Linux (EPEL) on Amazon Linux to install colordiff: docs.aws.amazon.com/AWSEC2/latest/UserGuide/…
– Pat Myron
Aug 23 '19 at 18:03
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How to set up a PostgreSQL database in Django
...org/psycopg/, then install it under Python PATH
After downloading, easily extract the tarball and:
$ python setup.py install
Or if you wish, install it by either easy_install or pip.
(I prefer to use pip over easy_install for no reason.)
$ easy_install psycopg2
$ pip install psycopg2
Config...
How to convert “camelCase” to “Camel Case”?
...been trying to get a JavaScript regex command to turn something like "thisString" into "This String" but the closest I’ve gotten is replacing a letter, resulting in something like "Thi String" or "This tring" . Any ideas?
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setTimeout in for-loop does not print consecutive values [duplicate]
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You can use the extra arguments to setTimeout to pass parameters to the callback function.
for (var i = 1; i <= 2; i++) {
setTimeout(function(j) { alert(j) }, 100, i);
}
Note: This doesn't work on IE9 and below browsers.
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Filter Java Stream to 1 and only 1 element
... our objects in a List with the Collectors.toList() collector.
Applying an extra finisher at the end, that returns the single element — or throws an IllegalStateException if list.size != 1.
Used as:
User resultUser = users.stream()
.filter(user -> user.getId() > 0)
.collect(...