大约有 47,000 项符合查询结果(耗时:0.0462秒) [XML]

https://stackoverflow.com/ques... 

Performance of Java matrix math libraries? [closed]

...kes decisions on how to allocate variables to registers when it can; it re-orders instructions to take advantage of processor architecture... A possible exception is that as I mentioned, Hotspot will only perform one operation per SSE instruction; in principle you could have a fantastically optimise...
https://stackoverflow.com/ques... 

How to secure database passwords in PHP?

...file and then lock the file using a .htaccess: <files mypasswdfile> order allow,deny deny from all </files> share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Why use the yield keyword, when I could just use an ordinary IEnumerable?

... and you would like to see the first handful (5) records of the year. In order to accomplish this, the list must be sorted ascending by date, and then have the first 5 taken. If this was done without yield, the entire list would have to be sorted, right up to making sure the last two dates were in...
https://stackoverflow.com/ques... 

Setting DIV width and height in JavaScript

...0px"); For cross-compatibility, you will still need to use the property. Order may also matter. For instance, in my code, when setting style properties with JavaScript, I set the style attribute first, then I set the properties: document.getElementById("mydiv").setAttribute("style","display:block...
https://stackoverflow.com/ques... 

CodeIgniter: How to get Controller, Action, URL information

...al, undocumented methods, but we’ve opted to deprecate them for now in order to maintain backwards-compatibility just in case. If some of you have utilized them, then you can now just access the properties instead: $this->router->directory; $this->router->class; $this->router...
https://stackoverflow.com/ques... 

Prevent users from submitting a form by hitting Enter

...ys: A form element's default button is the first submit button in tree order whose form owner is that form element. If the user agent supports letting the user submit a form implicitly (for example, on some platforms hitting the "enter" key while a text field is focused implicitly submits t...
https://stackoverflow.com/ques... 

Can you pass parameters to an AngularJS controller on creation?

... you'll want to re-use that template, but with different config and now in order to do so you'll either be pre-processing the templates to inject variables before it gets passed to angular or using massive directives to spit out giant blocks of HTML so you re-use all of the controller HTML except fo...
https://stackoverflow.com/ques... 

How to add screenshot to READMEs in github repository?

...o ensure forked repos point correctly. The raw=true parameter is there in order to ensure the image you link to, will be rendered as is. That means that only the image will be linked to, not the whole GitHub interface for that respective file. See this comment for more details. Check out an exampl...
https://stackoverflow.com/ques... 

How to write log to file

...into a file as well. Hope this helps someone. f, err := os.OpenFile("/tmp/orders.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666) if err != nil { log.Fatalf("error opening file: %v", err) } defer f.Close() wrt := io.MultiWriter(os.Stdout, f) log.SetOutput(wrt) log.Println(" Orders API Called") ...
https://stackoverflow.com/ques... 

How to serialize SqlAlchemy result to JSON?

...inst cases where a relationship is repeated? For example, if I have online_order and address, both with a relationship to user, but online_order also has an relationship to address. If I wanted to serialize all of this, I'd have to include address in the fields_to_expand, but I wouldn't want to redu...