大约有 40,000 项符合查询结果(耗时:0.0667秒) [XML]

https://stackoverflow.com/ques... 

Is floating point math broken?

...arger than the rational number 0.2 but that the closest double to 0.3 is smaller than the rational number 0.3. The sum of 0.1 and 0.2 winds up being larger than the rational number 0.3 and hence disagreeing with the constant in your code. A fairly comprehensive treatment of floating-point arithmet...
https://stackoverflow.com/ques... 

Using CSS td width absolute, position

...tself is position: fixed or absolute because the position of the cells are all static relative to the table. http://jsfiddle.net/ExplosionPIlls/Mkq8L/4/ EDIT: I can't take credit, but as the comments say you can just use min-width instead of width on the table cell instead. ...
https://stackoverflow.com/ques... 

Do I really have a car in my garage? [duplicate]

...List<Vehicle> v = new ArrayList<>(); // init with sum v.addAll(cars); v.addAll(boats); return v; } // all vehicles method public getAveragePriceAfterYears(int years) { List<Vehicle> vehicules = getVehicles(); int s = 0; for(Vehicle v : vehicules) { /...
https://stackoverflow.com/ques... 

How do emulators work and how are they written? [closed]

...mulation: Interpretation Dynamic recompilation Static recompilation With all of these paths, you have the same overall goal: execute a piece of code to modify processor state and interact with 'hardware'. Processor state is a conglomeration of the processor registers, interrupt handlers, etc for ...
https://stackoverflow.com/ques... 

SHA1 vs md5 vs SHA256: which to use for a PHP login?

... Neither. You should use bcrypt. The hashes you mention are all optimized to be quick and easy on hardware, and so cracking them share the same qualities. If you have no other choice, at least be sure to use a long salt and re-hash multiple times. Using bcrypt in PHP 5.5+ PHP 5.5 of...
https://stackoverflow.com/ques... 

Chmod recursively

...have an archive, which is archived by someone else, and I want to automatically, after I download it, to change a branch of the file system within the extracted files to gain read access. (I can't change how archive is created). ...
https://stackoverflow.com/ques... 

NHibernate ISession Flush: Where and when to use it, and why?

... Briefly: Always use transactions Don't use Close(), instead wrap your calls on an ISession inside a using statement or manage the lifecycle of your ISession somewhere else. From the documentation: From time to time the ISession will execute the SQL statements needed to synchronize the ADO.NET ...
https://stackoverflow.com/ques... 

XmlSerializer giving FileNotFoundException at constructor

...t plan on doing anything about it. You can avoid getting Exception popups all the time while debugging if you switch off first chance exceptions for that specific exception. In Visual Studio, go to Debug -> Exceptions (or press Ctrl + Alt + E), Common Language Runtime Exceptions -> System.IO ...
https://stackoverflow.com/ques... 

Make header and footer files to be included in multiple html pages

... Yes. all page should have these page structure – Hariprasad Prolanx Sep 10 '13 at 7:25 19 ...
https://stackoverflow.com/ques... 

What is the benefit of using $() instead of backticks in shell scripts?

... 201112[0-9][0-9]*.txt | tail -1l) -print) which will give you a list of all files in the /dir directory tree which have the same name as the earliest dated text file from December 2011 (a). Another example would be something like getting the name (not the full path) of the parent directory: pax...