大约有 16,317 项符合查询结果(耗时:0.0276秒) [XML]
Best practice for Python assert
...
To be able to automatically throw an error when x become less than zero throughout the function. You can use class descriptors. Here is an example:
class LessThanZeroException(Exception):
pass
class variable(object):
def __init__(sel...
How to grep for two words existing on the same line? [duplicate]
How do I grep for lines that contain two input words on the line? I'm looking for lines that contain both words, how do I do that? I tried pipe like this:
...
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
I have figured out how to send and receive SMS messages. To send SMS messages I had to call the sendTextMessage() and sendMultipartTextMessage() methods of the SmsManager class. To receive SMS messages, I had to register a receiver in the AndroidMainfest.xml file. Then I had to override t...
CA2202, how to solve this case
Can anybody tell me how to remove all CA2202 warnings from the following code?
12 Answers
...
How to set environment variables in Python?
I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set.
...
How to unzip a file using the command line? [closed]
Which commands can be used via the command line to unzip a file?
Preferably something built into Windows or open source/free tools.
...
std::unique_lock or std::lock_guard?
...s other features that allow it to e.g.: be constructed without locking the mutex immediately but to build the RAII wrapper (see here).
std::lock_guard also provides a convenient RAII wrapper, but cannot lock multiple mutexes safely. It can be used when you need a wrapper for a limited scope, e.g.:...
Iterate over model instance field names and values in template
I'm trying to create a basic template to display the selected instance's field values, along with their names. Think of it as just a standard output of the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the ...
Round to at most 2 decimal places (only if necessary)
I'd like to round at most 2 decimal places, but only if necessary .
79 Answers
79
...
Swift: #warning equivalent
Does Swift have a #warning equivalent?
It's simply used to show a warning in Xcode's own GUI
14 Answers
...