大约有 32,000 项符合查询结果(耗时:0.0357秒) [XML]

https://stackoverflow.com/ques... 

Difference between \b and \B in regex

...rs (i.e. \W\W). Example: \B.\B matches b in abc See regular-expressions.info for more great regex info share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

UITextField border color

...ew field. Where do I import the quartzcore? Where do I add the borderwidth info above? What is "textField" and how does it know which text field I'm talking about? – Nathan McKaskle Nov 13 '14 at 20:18 ...
https://stackoverflow.com/ques... 

How do I print a list of “Build Settings” in Xcode project?

... YES DEBUGGING_SYMBOLS YES DEBUG_INFORMATION_FORMAT dwarf-with-dsym DEPLOYMENT_LOCATION YES DEPLOYMENT_POSTPROCESSING YES DERIVED_FILES_DIR "/Users/username/Library/Developer/...
https://stackoverflow.com/ques... 

Relationship between SciPy and NumPy

...f sym_pos: posv, = get_lapack_funcs(('posv',),(a1,b1)) c,x,info = posv(a1,b1, lower = lower, overwrite_a=overwrite_a, overwrite_b=overwrite_b) else: gesv, = get_lapack_funcs(('gesv',),(a1,b1)) ...
https://stackoverflow.com/ques... 

Logging uncaught exceptions in Python

...port sys >>> def foo(exctype, value, tb): ... print 'My Error Information' ... print 'Type:', exctype ... print 'Value:', value ... print 'Traceback:', tb ... Override sys.excepthook: >>> sys.excepthook = foo Commit obvious syntax error (leave out the colon) and ...
https://stackoverflow.com/ques... 

Use numpy array in shared memory for multiprocessing

...multiprocessing as mp from contextlib import closing import numpy as np info = mp.get_logger().info def main(): logger = mp.log_to_stderr() logger.setLevel(logging.INFO) # create shared array N, M = 100, 11 shared_arr = mp.Array(ctypes.c_double, N) arr = tonumpyarray(sha...
https://stackoverflow.com/ques... 

What is makeinfo, and how do I get it?

...d and its not found in your path. My terminal says you need to install 'texinfo' package. sudo apt-get install texinfo share | improve this answer | follow |...
https://stackoverflow.com/ques... 

How can I create a two dimensional array in JavaScript?

... Array.from(Array(2), () => new Array(4)); arr[0][0] = 'foo'; console.info(arr); The same trick can be used to Create a JavaScript array containing 1...N Alternatively (but more inefficient 12% with n = 10,000) Array(2).fill(null).map(() => Array(4)) The performance decrease com...
https://stackoverflow.com/ques... 

What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]

...ence to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in the binary representation of a class or interface. The CONSTANT_String_info structure gives the sequence of Unicode code points constituting the string literal. The Java programming language r...
https://stackoverflow.com/ques... 

puts vs logger in rails rake tasks

... I'd say that using Rails.logger.info is the way to go. You won't be able to see it in the server console because it won't run via the server. Just open up a new console and tail -f the log file, it'll do the trick. Many users are aware of the UNIX® ...