大约有 43,000 项符合查询结果（耗时：0.0339秒） [XML]
Should functions return null or an empty object?
...
Last but not least there would be bool GetUserById(Guid userId, out UserEntity result) - which I would prefer to the "null" return-value, and which isn't as extreme as throwing an exception. It allows beautiful null-free code like if(GetU...
How to fix a locale setting warning from Perl?
...
@HermannIngjaldsson, at least on Ubuntu (12.10), there was no need to reboot the server (after removing "AcceptEnv LANG LC_*"). I just reloaded ssh config: service ssh reload, which takes a fraction of a second, and doesn't even cause the current ss...
How to use the toString method in Java?
...g returned should be concise and informative, ideally self-explanatory.
At least, the fields used to establish equivalence between two different objects i.e. the fields used in the equals() method implementation should be spit out by the toString() method.
Provide accessors/getters for all of the in...
Where is PATH_MAX defined in Linux?
...m NAME_MAX (and the x-ref'd article in part seems to confuse these two, at least in part). Note: POSIX <limits.h> says: A definition of one of the symbolic constants in the following list shall be omitted from the <limits.h> header […] where the corresponding value is equal to or great...
Is Ruby pass by reference or by value?
...y is an object, so Ruby is neither pass by value nor pass by reference, at least in the sense those terms are used in C++. "pass by object reference" might be a better way to describe what Ruby does. In the end though, the best bet might be not to put too much meaning on any of these terms, and just...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
...
At least it's still odd, if they had dropped the least significant one instead of the most significant one then every multiplication loses a bit until eventually (after 62 steps) the seedUniquifier becomes stuck at zero.
...
LaTeX table positioning
... want to place the table at the same page, either at the exact place or at least at the top of the page (what fits best for the latex engine), use the parameters h and t like this:
\begin{table}[ht]
table content ...
\end{table}
Sources: Overleaf.com
...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
...
I think the least intrusive way of doing this is as follows:
Check if the user-agent is that of an iPhone/iPod Touch
Check for an appInstalled cookie
If the cookie exists and is set to true, set window.location to your-uri:// (or do th...
GlobalConfiguration.Configure() not present after Web API 2 and .NET 4.5.1 migration
...
I had the same problem but reinstalling didn't fix it, least it looked like that and was driving me nuts, I had to restart VS2015 and it sorted out.
– Piotr Kula
May 1 '15 at 9:37
...
How to add line breaks to an HTML textarea?
...
Using <br> inside of a textarea is not working. At least not in Chrome, where I tested. Using \n seem to work though. Use <br> if you intend to insert the text as pure html, i.e. outside of any input element.
– Snorvarg
Oct 31 '17 ...