大约有 42,000 项符合查询结果（耗时：0.0515秒） [XML]
Which equals operator (== vs ===) should be used in JavaScript comparisons?
I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.length == 0 inside of an if statement.
...
What is the relation between BLAS, LAPACK and ATLAS
I don't understand how BLAS, LAPACK and ATLAS are related and how I should use them together! I have been looking through all of their manuals and I have a general idea of BLAS and LAPACK and how to use them with the very few examples I find, but I can't find any actual examples using ATLAS to see h...
Android buildscript repositories: jcenter VS mavencentral
The last time I used Android Studio, it generated .gradle files with mavencentral() buildscript repositories whereas now there's jcenter() .
...
What is the exact problem with multiple inheritance?
...obvious problem is with function overriding.
Let's say have two classes A and B, both of which define a method doSomething. Now you define a third class C, which inherits from both A and B, but you don't override the doSomething method.
When the compiler seed this code...
C c = new C();
c.doSomet...
How do you rotate a two dimensional array?
...e. Printing the matrix is the same complexitiy
– Alejandro
Aug 4 '15 at 20:34
6
For a -90 degrees...
Why rgb and not cmy? [closed]
Seeing as how the three primary colors are cyan, magenta and yellow (CMY), why do monitors and almost all the GUI components out there use red, green and blue (RGB)? (If I'm not mistaken, printers use the CMYK model.)
...
Why use getters and setters/accessors?
What's the advantage of using getters and setters - that only get and set - instead of simply using public fields for those variables?
...
Relational table naming convention [closed]
I'm starting a new project and would like to get my table- and column names right from the start. For example I've always used plural in table names but recently learned singular is correct.
...
Is a successor for TeX/LaTeX in sight? [closed]
...ded for the creation of beautiful books". The goal of TeX was typesetting, and its primary concerns were things like "Breaking Paragraphs Into Lines" (Donald E. Knuth and Michael F. Plass, Software--Practice and Experience, Vol. 11, pp. 1119-1184, 1981), ligatures, kerning, beautiful fonts (Knuth wo...
Renaming xcode 4 project and the actual folder
...
You can do this from within Xcode without resorting to hand editing the pbxproj file in a text editor!
Here's how:
Rename your source folder in the Finder. This will break the project initially because Xcode doesn't automatically detect when the real folders that the virtual (y...