大约有 35,419 项符合查询结果（耗时：0.0621秒） [XML]
Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
...b Application Project on Eclipse Kepler on Mac OS X with java version "1.7.0_45"
2 Answers
...
What is the difference between String.slice and String.substring?
...nts.
If either argument is negative or is NaN, it is treated as if it were 0.
Distinctions of slice():
If start > stop, slice() will return the empty string. ("")
If start is negative: sets char from the end of string, exactly like substr() in Firefox. This behavior is observed in both Firefo...
LoaderManager with multiple loaders: how to get the right cursorloader
...
120
The Loader class has a method called getId(). I would hope this returns the id you've associated...
A semantics for Bash scripts?
...
107
A shell is an interface for the operating system. It is usually a more-or-less robust programmi...
What is the difference between gsub and sub methods for Ruby Strings
...
209
The g stands for global, as in replace globally (all):
In irb:
>> "hello".sub('l', '*')...
from jquery $.ajax to angular $http
...
202
The AngularJS way of calling $http would look like:
$http({
url: "http://example.appspot.c...
What's wrong with this 1988 C code?
...tions of IN and OUT:
#define IN 1; /* inside a word */
#define OUT 0; /* outside a word */
Notice how you have a trailing semicolon in each of these. When the preprocessor expands them, your code will look roughly like:
if (c == ' ' || c == '\n' || c == '\t')
state = 0;; /...
How do you do natural logs (e.g. “ln()”) with numpy in Python?
...
np.log is ln, whereas np.log10 is your standard base 10 log.
Relevant documentation:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log10.html
...
Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
...Let's say you have 4 cores:
With IRIX mode on, 1 fully utilized core is 100% and 4 cores are 400%.
With IRIX mode off, 1 fully utilized core is 25% and 4 cores are 100%.
This means that by default, top on Linux will show an infinite loop as ~100% and Windows will show it as ~25%, and it means ...
Most efficient way to remove special characters from string
...om a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.).
24 An...