大约有 37,000 项符合查询结果（耗时：0.0490秒） [XML]
What's better at freeing memory with PHP: unset() or $var = null
...iate memory freeing. PHP's garbage collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first.
If you are doing $whatever = null; then you are rewriting variable's data. You mi...
Purpose of Trigraph sequences in C++?
...endum:
It looks like GCC will not process (and will warn about) trigraphs by default. Some other compilers have options to turn off trigraph support (IBM's for example). Microsoft started supporting a warning (C4837) in VS2008 that must be explicitly enabled (using -Wall or something).
...
How can I send large messages with Kafka (over 15MB)?
... I get a MessageSizeTooLargeException .
I have tried to set message.max.bytes to 40 MB, but I still get the exception. Small messages worked without problems.
...
HTML 5 tag vs Flash video. What are the pros and cons?
...S. You won't change business overnight, and each layer of complexity added by a new tag such as <video> which supports a very technical interface will result in * slightly * different implementations by each browser.
HTML 5 works now, and so does Flash. How it is implemented, the skill it r...
What's the difference between streams and datagrams in network programming?
...n TCP), and then you exchange information. Once you are done, you say goodbye (FIN/ACK in TCP). If one side doesn't hear a goodbye, they will usually call the other back since this is an unexpected event; usually the client will reconnect to the server. There is a guarantee that data will not arr...
Limit results in jQuery UI Autocomplete
...
You can set the minlength option to some big value or you can do it by css like this,
.ui-autocomplete { height: 200px; overflow-y: scroll; overflow-x: hidden;}
share
|
improve this answe...
':app:lintVitalRelease' error when generating signed apk
... yes it's very annoying when it says fix the issues identified by lint but doesn't actually shows those errors or path to report...
– user25
May 28 '18 at 20:17
7
...
What are the most common naming conventions in C?
...t in my opinion it is not worth the trouble to memorize. A safe rule to go by is to never use names beginning with _ in your code. Relevant C FAQ entry: c-faq.com/~scs/cgi-bin/faqcat.cgi?sec=decl#namespace
– jw013
Mar 21 '14 at 21:08
...
Android Camera Preview Stretched
...Get your supportedPreviewSize list in place where Camera object isn't null by using
mSupportedPreviewSizes = mCamera.getParameters().getSupportedPreviewSizes();
And then on in onMeasure you can get your optimal previewSize like that:
@Override
protected void onMeasure(int widthMeasureSpec,...
Git - How to fix “corrupted” interactive rebase?
...ittle mess in my local git repository. I was trying to fix a broken commit by using the following instructions . Before running the "git commit --amend" (and after the git rebase --interactive) I decided that my changes were incorrect and so I executed "git reset HEAD --hard". Not a good idea, I te...