大约有 40,000 项符合查询结果（耗时：0.0345秒） [XML]
What is the fastest way to create a checksum for large files in C#
...
I did tests with buffer size, running this code
using (var stream = new BufferedStream(File.OpenRead(file), bufferSize))
{
SHA256Managed sha = new SHA256Managed();
byte[] checksum = sha.ComputeHash(stream);
return BitC...
Flatten an irregular list of lists
... i in flatten(42): print (i). This could be fixed by moving the isinstance-test and the else-clause outside of the for el-loop. (Then you could throw anything at it, and it would make a flattened list out of it)
– RolKau
Aug 18 '15 at 11:17
...
How do you tell if caps lock is on using JavaScript?
...nput, turning on caps lock makes the led go red otherwise green. (Haven't tested on mac/linux)
NOTE: Both versions are working for me. Thanks for constructive inputs in the comments.
OLD VERSION: https://jsbin.com/mahenes/edit?js,output
Also, here is a modified version (can someone test on mac an...
jQuery remove all list items from an unordered list
...bs/jquery/3.3.1/jquery.min.js"></script>
<ul>
<li>test</li>
<li>test</li>
</ul>
<input type="button" value="click me" />
http://jsfiddle.net/infernalbadger/D5ss8/
...
UnboundLocalError on local variable when reassigned after first use
...f you want to modify it, you have to use the global keyword. Try changing test() to this:
def test():
global c
print(a)
print(b)
print(c) # (A)
c+=1 # (B)
Also, the reason you are getting this error is because you can also declare a new variable inside that function...
Easiest way to check for an index or a key in an array?
...Bash manual and the little note
if the colon is omitted, the operator tests only for existence [of parameter]
This answer is actually adapted from the answers for this SO question: How to tell if a string is not defined in a bash shell script?
A wrapper function:
exists(){
if [ "$2" !=...
Best practice for Django project working directory structure
...# site-specific static files
templates/ # site-specific templates
tests/ # site-specific tests (mostly in-browser ones)
tmp/ # excluded from git
setup.py
requirements.txt
requirements_dev.txt
pytest.ini
...
Settings
The main settings are production ones. Other f...
Serializing object that contains cyclic object value
...r second $ref and the second === above.
Let's use a suitable deep equality test (namely Anders Kaseorg's deepGraphEqual function from accepted answer to this question) to see if cloning works.
root = makeToolshed();
clone = JSON.retrocycle(JSON.decycle(root));
deepGraphEqual(root, clone) // true
ser...
How are msys, msys2, and msysgit related to each other?
...rs for MinGW-w64 toolchains) as a recent fork of Cygwin which tracks the latest Cygwin closely so that it doesn't end up out of date. Alexey forward ported the old MSYS patches and added some of his own.
As well as providing the necessary Unix tools with which to compile native software - the state...
Pickle incompatibility of numpy arrays between Python 2 and 3
...thon 3. I tried loading the MNIST dataset with
train_set, valid_set, test_set = pickle.load(file, encoding='iso-8859-1')
and it worked for Python 3.5.2
share
|
improve this answer
|...