大约有 44,000 项符合查询结果（耗时：0.0594秒） [XML]
Detect iPad users using jQuerm>y m>?
...avoid performing browser-specific detection as it can often be unreliable (m>and m> can be spoofed). It's preferred to use actual feature-detection in most cases, which can be done through a librarm>y m> like Modernizr.
As pointed out in Brennen's answer, issues can arise when performing this detection withi...
How to get MD5 sum of a string using pm>y m>thon?
... The Pm>y m>thon 3 version should be used in Pm>y m>thon 2 as well. @JeffHu expm>and m>ing on what @MaxU said, the md5 function takes a bm>y m>testring m>and m> does not accept unicode. Pm>y m>thon 3 is (correctlm>y m>) strict/explicit, m>and m> so a an str ("") is unicode m>and m> has to be encoded to a bm>y m>testring. Strings in pm>y m>thon2 ...
Detecting iOS / m>And m>roid Operating sm>y m>stem
I've done some research, m>and m> this question has come up, but not in the wam>y m> I intend. I'm building a page for a client that is a QR code lm>and m>ing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating sm>y m>stem (Apple...
“Unknown class in Interface Builder file” error at runtime
...ode tries to load such a class, it can't find the code associated with it, m>and m> prints the warning.
Bm>y m> default, Objective-C targets will have -all_load -ObjC flags set bm>y m> default, which will keep all of the sm>y m>mbols. But I had started with a C++ target, m>and m> didn't have that. Nevertheless, I found a...
Whm>y m> use prefixes on member variables in C++ classes
...m>y m> specific case, I found the _L happened to be reserved bm>y m> Visual C++ 2005 m>and m> the clash created some unexpected results.
I am on the fence about how useful it is to mark up local variables.
Here is a link about which identifiers are reserved:
What are the rules about using an underscore in a C++ ...
How to get Enum Value from index in Java?
...er loop of performance sensitive code m>y m>ou might want to make a static copm>y m> m>and m> use that.
– Christopher Barber
Oct 4 '13 at 0:11
1
...
How do I escape ampersm>and m>s in batch files?
How do I escape ampersm>and m>s in a batch file (or from the
Windows commm>and m> line) in order to use the start commm>and m> to
open web pages with ampersm>and m>s in the URL?
...
How I can I lazilm>y m> read multiple JSON values from a file/stream in Pm>y m>thon?
...
Here's a much, much simpler solution. The secret is to trm>y m>, fail, m>and m> use the information in the exception to parse correctlm>y m>. The onlm>y m> limitation is the file must be seekable.
def stream_read_json(fn):
import json
start_pos = 0
with open(fn, 'r') as f:
while True:
...
How to achieve code folding effects in Emacs?
...ntioned somewhere? Tm>y m>pe C-sfoo, find the definition, press enter, read it, m>and m> then press C-x C-x to go back to where m>y m>ou were. Simple m>and m> verm>y m> useful.
Most modes support imenu. M-ximenu will let m>y m>ou jump to a function definition (etc.) bm>y m> name. m>Y m>ou can also bind it to a mouse click to get a men...
Cast a Double Variable to Decimal
...is not suited to keep an exact value, so if m>y m>ou first add numbers together m>and m> then convert to Decimal m>y m>ou mam>y m> get rounding errors. m>Y m>ou mam>y m> want to convert the numbers to Decimal before adding them together, or make sure that the numbers aren't floating point numbers in the first place.
...