大约有 47,000 项符合查询结果(耗时:0.0757秒) [XML]
How to avoid isset() and empty()
I have several older applications that throw a lot of "xyz is undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts.
...
Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X? [closed]
...from web applications in Mac OS X. I used to do it with fiddler on Windows and would love to have this tool available on Mac as well.
...
Docker - a way to give access to a host USB or serial device?
...in /dev/bus/usb, you can mount this in the container using privileged mode and the volumes option. For example:
docker run -t -i --privileged -v /dev/bus/usb:/dev/bus/usb ubuntu bash
Note that as the name implies, --privileged is insecure and should be handled with care.
...
Ternary operator is twice as slow as an if-else block?
... answer this question, we'll examine the assembly code produced by the X86 and X64 JITs for each of these cases.
X86, if/then
32: foreach (int i in array)
0000007c 33 D2 xor edx,edx
0000007e 83 7E 04 00 cmp dword ptr [esi+4],0
00000082 ...
How to repeat a “block” in a django template
... {% block content %}{% endblock %}
</body>
</html>
and then:
# blog.html
{% extends 'base.html' %}
{% block content %}
<h1>{% block title %}My Blog{% endblock %}</h1>
Lorem ipsum here...
{% endblock %}
and so on... Looks like DRY-compatible.
...
RegEx to find two or more consecutive chars
...{2} without the comma should also work, right?
– Alexander Mills
Sep 6 '18 at 21:09
16
Alexander,...
Uncaught TypeError: undefined is not a function on loading jquery-min.js
...m building a normal webpage which requires me to load about five CSS files and ten Javascript files.
13 Answers
...
Safely remove migration In Laravel
In Laravel, there appears to be a command for creating a migration, but not removing.
9 Answers
...
Coroutine vs Continuation vs Generator
What is the difference between a coroutine and a continuation and a generator ?
3 Answers
...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
I have a command that runs fine if I ssh to a machine and run it, but fails when I try to run it using a remote ssh command like :
...