大约有 47,000 项符合查询结果（耗时：0.0846秒） [XML]
Flatten an irregular list of lists
... can use a tuple of str and bytes to get the same effect there.
The yield from operator returns an item from a generator one at a time. This syntax for delegating to a subgenerator was added in 3.3
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(...
I want to delete all bin and obj folders to force all projects to rebuild everything
... "%%G was unexpected at this time" - this happens when you run it from the command line instead from inside a batch file. Use single '%'s in this case.
– Designpattern
Jan 11 '12 at 9:05
...
How to JSON serialize sets?
...y to recover regular lists; if you convert sets to a dictionary using dict.fromkeys(s) then you lose the ability to recover dictionaries).
A more sophisticated solution is to build-out a custom type that can coexist with other native JSON types. This lets you store nested structures that include l...
What is ANSI format?
...ncoding format? Is it a system default format?
In what way does it differ from ASCII?
10 Answers
...
Programmatically Determine a Duration of a Locked Workstation?
...
I hadn't found this before, but from any application you can hookup a SessionSwitchEventHandler. Obviously your application will need to be running, but so long as it is:
Microsoft.Win32.SystemEvents.SessionSwitch += new Microsoft.Win32.SessionSwitchEventH...
Common use-cases for pickle in Python
...n.
To emphasise @lunaryorn's comment - you should never unpickle a string from an untrusted source, since a carefully crafted pickle could execute arbitrary code on your system. For example see https://blog.nelhage.com/2011/03/exploiting-pickle/
...
What is bootstrapping?
...
"Bootstrapping" comes from the term "pulling yourself up by your own bootstraps." That much you can get from Wikipedia.
In computing, a bootstrap loader is the first piece of code that runs when a machine starts, and is responsible for loading th...
How to read and write INI file with Python3?
...ello
bool_val = false
int_val = 11
pi_val = 3.14
Working code.
try:
from configparser import ConfigParser
except ImportError:
from ConfigParser import ConfigParser # ver. < 3.0
# instantiate
config = ConfigParser()
# parse existing file
config.read('test.ini')
# read values from a ...
How can I parse JSON with C#?
...lass to customize how a class is serialized
Ability to convert JSON to and from XML
Supports multiple platforms: .NET, Silverlight and the Compact Framework
Look at the example below. In this example, JsonConvert class is used to convert an object to and from JSON. It has two static methods for thi...
How to check Google Play services version?
...
From newer updates i have ended up with this code, i have made a handy method to manage all stuff related to it..
All details related to availability of Service and related details are available here.
private void checkPla...