大约有 18,000 项符合查询结果（耗时：0.0465秒） [XML]
Eclipse error: 'Failed to create the Java Virtual Machine'
I am getting this error message when I start Eclipse Helios on Windows 7:
41 Answers
4...
Using Regular Expressions to Extract a Value in Java
I have several strings in the rough form:
13 Answers
13
...
Is there a case insensitive jQuery :contains selector?
...nsitive version of the :contains jQuery selector or should I do the work manually by looping over all elements and comparing their .text() to my string?
...
Format a number as 2.5K if a thousand or more, otherwise 900
I need to show a currency value in the format of 1K of equal to one thousand, or 1.1K, 1.2K, 1.9K etc, if its not an even thousands, otherwise if under a thousand, display normal 500, 100, 250 etc, using javascript to format the number?
...
Why in Java 8 split sometimes removes empty strings at start of result array?
Before Java 8 when we split on empty string like
3 Answers
3
...
How to detect the currently pressed key?
In Windows Forms , you can know, at any time, the current position of the cursor thanks to the Cursors class.
11 Answers...
ruby inheritance vs mixins
In Ruby, since you can include multiple mixins but only extend one class, it seems like mixins would be preferred over inheritance.
...
how to create a file name with the current date & time in python?
...
While not using datetime, this solves your problem (answers your question) of getting a string with the current time and date format you specify:
import time
timestr = time.strftime("%Y%m%d-%H%M%S")
print timestr
yields:
20120515-155045
so y...
How to convert local time string to UTC?
How do I convert a datetime string in local time to a string in UTC time ?
21 Answers
...
What is the ideal data type to use when storing latitude / longitude in a MySQL database?
Bearing in mind that I'll be performing calculations on lat / long pairs, what datatype is best suited for use with a MySQL database?
...