大约有 44,000 项符合查询结果(耗时:0.0554秒) [XML]
Reloading module giving NameError: name 'reload' is not defined
...ust reload a module in Python 3, you should use either:
importlib.reload for Python 3.4 and above
imp.reload for Python 3.0 to 3.3 (deprecated since Python 3.4 in favour of importlib)
share
|
im...
C++ convert vector to vector
... @MichaelGoldshteyn I don't understand - if you don't specify the size beforehand, then it will be resized automatically whenever the capacity is exceeded (which copies all the elements over and over again). Okay, this is amortized linear time, but I bet that's still a lot slower than a single 0-i...
Are nullable types reference types?
...that the nullable struct has two values:
The value of the data type (int for int?, DateTime for DateTime?, etc.).
A boolean value which tells if the data type value has been set. (HasValue is the property.)
When you set the value of the data type, the struct changes HasValue to true.
Nullable ...
What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?
...
Laravel's Autoload is a bit different:
1) It will in fact use Composer for some stuff
2) It will call Composer with the optimize flag
3) It will 'recompile' loads of files creating the huge bootstrap/compiled.php
4) And also will find all of your Workbench packages and composer dump-autoload ...
Python regex find all overlapping matches?
...erested in, but the actual match is technically the zero-width substring before the lookahead, so the matches are technically non-overlapping:
import re
s = "123456789123456789"
matches = re.finditer(r'(?=(\d{10}))',s)
results = [int(match.group(1)) for match in matches]
# results:
# [1234567891,...
“use database_name” command in PostgreSQL
...
Thanks kgrittn for your valuable guidance.Can you tell me how I can make new connection to database and close previous by using pgscript query?
– sam
Apr 27 '12 at 6:41
...
Switch to another Git tag
...mit them, and [discard those commits] without impacting any branches by performing another checkout".
To retain any changes made, move them to a new branch:
git checkout -b 1.1.4-jspooner
You can get back to the master branch by using:
git checkout master
Note, as was mentioned in the first r...
What is the difference between Class.this and this in Java
There are two ways to reference the instance of a class within that class. For example:
4 Answers
...
How do I find all installed packages that depend on a given package in NPM?
...
You're looking for https://docs.npmjs.com/cli/ls
For example, to see which packages depend on contextify you can run:
npm ls contextify
app-name@0.0.1 /home/zorbash/some-project
└─┬ d3@3.3.6
└─┬ jsdom@0.5.7
└── con...
Can TCP and UDP sockets use the same port?
...
Yes, you can use the same port number for both TCP and UDP. Many protocols already do this, for example DNS works on udp/53 and tcp/53.
Technically the port pools for each protocol are completely independent, but for higher level protocols that can use either T...