大约有 11,700 项符合查询结果（耗时：0.0239秒） [XML]
Performance surprise with “as” and nullable types
...e used at runtime with any number of permutations of generic-parameters (T etc). The stack etc requirements depend on the args (amount of stack space for a local, etc), so you get one JIT for any unique permutation involving a value type. However, references are all the same size so share a JIT. Whi...
How to run mvim (MacVim) from Terminal?
...macvim --with-override-system-vim
That will provide mvim, vim, vi, view, etc. in /usr/local/bin (all symlinked to the copy in the Cellar). This also removes the need to create any aliases and also changes your vi, vim, etc. to all use the same Vim distribution as your MacVim.
...
How do you import classes in JSP?
... Maintaining a list of imports, spotting duplicates, sorting etc. will be much easier if you do not put all of them on one line. In fact I'd go as far as saying that I'd highly recommend against putting them all on one line.
– scunliffe
Aug 28 '14...
How to delete every other line in Vim?
...e from a Vim buffer, starting with the second one, i.e., lines 2, 4, 6, etc. For example, if the buffer’s contents is:
...
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
....bashrc, .bash_profile, .profile and those files included by them such as /etc/profile, /etc/bash.bashrc
I located
export MAVEN_OPTS="-Xmx512m -XX:MaxPermSize=256m"
in .bashrc in my system, change it to
export MAVEN_OPTS="-Xmx512m"
issue resolved
...
Cast to int vs floor
...will run into some overflow issues) and for negative values below -100000, etc. But I've clocked it to be at least 3 times faster than floor, which was really critical for our application. Take it with a grain of salt, test it on your system, etc. but it's worth considering IMHO.
...
What are good alternatives to SQL (the language)? [closed]
...g, which you run into when you work with data marked by dates, timestamps, etcetera. I once tried to do a reporting application entirely in plain SQL on a database full of timestamps and it just wasn't feasible. Another is the lack of support for path traversal: most of my data look like directed...
Version of Apache installed on a Debian machine
...: APR 1.2.7, APR-Util 1.2.7
Compiled using: APR 1.2.7, APR-Util 1.2.7
... etc ...
If it does not work for you, run the command with sudo.
share
|
improve this answer
|
fol...
Access Container View Controller from Parent iOS
...What if (horrors!) you decide to switch from storyboard or not use seques, etc. Then you have to dig up code make changes, etc.
– Tom Andersen
Apr 15 '15 at 20:23
2
...
LINQ-to-SQL vs stored procedures? [closed]
...he point of configuration management. Changes should go through dev, test, etc before deployment regardless.
– Neil Barnwell
Mar 3 '09 at 17:22
6
...