大约有 47,000 项符合查询结果(耗时:0.0743秒) [XML]

https://stackoverflow.com/ques... 

Ball to Ball Collision - Detection and Handling

... To detect whether two balls collide, just check whether the distance between their centers is less than two times the radius. To do a perfectly elastic collision between the balls, you only need to worry about the component of the velocity that is ...
https://stackoverflow.com/ques... 

100% width table overflowing div container [duplicate]

...d borders or cell spacing. Automatic (source)In this algorithm (which generally requires no more than two passes), the table's width is given by the width of its columns [, as determined by content] (and intervening borders).[...] This algorithm may be inefficient since it requires the user agent to...
https://stackoverflow.com/ques... 

Where and why do I have to put the “template” and “typename” keywords?

...iler doesn't need to know the meaning of a name in order to parse and basically know what action a line of code does. In C++, the above however can yield vastly different interpretations depending on what t means. If it's a type, then it will be a declaration of a pointer f. However if it's not a ty...
https://stackoverflow.com/ques... 

How do I update a Python package?

I'm running Ubuntu 9:10 and a package called M2Crypto is installed (version is 0.19.1). I need to download, build and install the latest version of the M2Crypto package (0.20.2). ...
https://stackoverflow.com/ques... 

Verify a certificate chain using openssl verify

...ing the first part of the post Greg references (the second part is specifically about pyOpenSSL and not relevant to this question). In case the post goes away I'll quote the important paragraphs: Unfortunately, an "intermediate" cert that is actually a root / self-signed will be treated as a ...
https://stackoverflow.com/ques... 

error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss

...rted off with me not being able to log in as root any more on my mysql install. I was attempting to run mysql without passwords turned on... but whenever I ran the command ...
https://stackoverflow.com/ques... 

How to calculate the sentence similarity using word2vec model of gensim with python

... This is actually a pretty challenging problem that you are asking. Computing sentence similarity requires building a grammatical model of the sentence, understanding equivalent structures (e.g. "he walked to the store yesterday" and "yes...
https://stackoverflow.com/ques... 

Is background-color:none valid CSS?

...nswered Jan 5 '12 at 8:42 James AllardiceJames Allardice 152k2121 gold badges309309 silver badges301301 bronze badges ...
https://stackoverflow.com/ques... 

Undoing a git rebase

...uble check this, though as I haven't verified this recently. Per default, all reflogs are activated for non-bare repositories: [core] logAllRefUpdates = true share | improve this answer ...
https://stackoverflow.com/ques... 

MySQL maximum memory usage

...is no general rule of thumb for what is recommend for your MySQL setup. It all depends on the current usage or the projections. Settings & database MySQL offers countless variables and switches to optimize its behavior. If you run into issues, you really need to sit down and read the (f'ing) m...