大约有 15,600 项符合查询结果（耗时：0.0295秒） [XML]
Differences and relationship between glActiveTexture and glBindTexture
From what I gather, glActiveTexture sets the active "texture unit". Each texture unit can have multiple texture targets (usually GL_TEXTURE_1D, 2D, 3D or CUBE_MAP).
...
How to decide between MonoTouch and Objective-C? [closed]
...gain, I like both stacks (Apple and Mono), but for me MonoTouch makes the experience that much more fun. I haven't stopped using Apple's tools, but that's mainly because I really do enjoy both stacks. I love the iPhone, and I love .Net. In that case, for me, MonoTouch was a no-brainer.
Do you feel c...
Dynamic type languages versus static type languages
... optimizations (e.g.
replacing virtual calls by direct
calls when the exact type of the
receiver is known statically),
increased runtime efficiency (e.g. not
all values need to carry a dynamic
type), and a better design time
developer experience (e.g. knowing the
type of the receiver...
jQuery Mobile: document ready vs. page events
...ile 1.5, so you can still use everything mentioned below, at least until next year and jQuery Mobile 1.6.
Old events, including pageinit don't exist any more, they are replaced with pagecontainer widget. Pageinit is erased completely and you can use pagecreate instead, that event stayed the same an...
Perforce for Git users? [closed]
... More information on that can be found at: https://git.wiki.kernel.org/index.php/GitP4
Still here? Good, let's look at Perforce.
Some Terminology Differences to Sort Out
Before we get into the details we need to briefly cover a couple terminology differences between Git and Perforce.
The first i...
When and why are database joins expensive?
... Database Writings 1988-1991 but this book was later rolled into edition six of Introduction to Database Systems, which is the definitive text on database theory and design, in its eighth edition as I write and likely to remain in print for decades to come. Chris Date was an expert in this field whe...
Simple way to encode a string according to a password?
...mport base64
def encode(key, string):
encoded_chars = []
for i in xrange(len(string)):
key_c = key[i % len(key)]
encoded_c = chr(ord(string[i]) + ord(key_c) % 256)
encoded_chars.append(encoded_c)
encoded_string = "".join(encoded_chars)
return base64.urlsafe_b...
Generating v5 UUID. What is name and namespace?
...bability. The Wikipedia entry for the Birthday Problem (aka Birthday Paradox) includes a table that gives the probabilities of at least one collision for various numbers of keys and table sizes. For 128-bits, hashing 26 billion keys this way has a probability of collision of p=10^-18 (negligible), b...
Prototypical inheritance - writing up [duplicate]
So I have these 2 examples, from javascript.info:
2 Answers
2
...
Creating range in JavaScript - strange syntax
...r); //['0', '1', '2']
arr.length; //3, implies arr[3] === undefined
//we expand the array by 1 item
arr.length = 4;
arr[3]; //undefined
arr.hasOwnProperty(3); //false
Object.keys(arr); //['0', '1', '2']
We get to the inherent difference between the number of items in the array, arr.length, and th...