大约有 40,000 项符合查询结果（耗时：0.0895秒） [XML]
Find current directory and file's directory [duplicate]
...tive to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os
cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
The os and os.path modules.
The __file__ constant
os.path.rea...
How to convert an enum type variable to a string?
...
There really is no beautiful way of doing this. Just set up an array of strings indexed by the enum.
If you do a lot of output, you can define an operator<< that takes an enum parameter and does the lookup for you.
...
Maven-like dependency management for C++? [closed]
...ucture. So you can generically include sub-projects look-up for unit tests etc. without changing the script every time.
They have also lots of modules on how to find pre-installed build libraries, required for the project (like Boost, QT etc.)
Update: In the mean time there was some effort to in...
Convert PDF to image with high resolution
...image. That's also the amount of pixels the sharpen, contrast, compression etc. settings work on.
– Daniel Schneller
Aug 2 '13 at 7:30
8
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What is the size of an enum in C?
...set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an e...
Adding information to an exception?
...essage + ' happens at %s' % arg1)
bar('arg1')
Traceback (most recent call last):
File "test.py", line 13, in <module>
bar('arg1')
File "test.py", line 11, in bar
raise type(e)(e.message + ' happens at %s' % arg1)
IOError: Stuff happens at arg1
Update 1
Here's a slight modif...
View's getWidth() and getHeight() returns 0
...unnable. This basically queues your code after the view's measure, layout, etc. as stated by Romain Guy:
The UI event queue will process events in order. After
setContentView() is invoked, the event queue will contain a message
asking for a relayout, so anything you post to the queue will happen
af...
What do the makefile symbols $@ and $< mean?
...icate filenames removed since for most uses, such as
compiling, copying, etc., duplicates are not wanted.
$+: Similar to $^, this is the names of all the prerequisites separated
by spaces, except that $+ includes duplicates. This variable was
created for specific situations such as arguments...
Pointers in Python?
...ur request is utterly impossible. Why ask for something impossible and totally different from the (possible) thing you actually want?!
Maybe you don't realize how drastically different barenames and decorated names are. When you refer to a barename a, you're getting exactly the object a was last ...
What is the difference between JavaScript and ECMAScript?
... between JavaScript and ECMAScript versions, e.g. ES5 corresponds to JS1.5 etc. ah I found it: en.wikipedia.org/wiki/JavaScript#Versions
– Sam Joseph
Oct 6 '12 at 17:35
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