大约有 42,000 项符合查询结果(耗时:0.0653秒) [XML]
How to convert Nonetype to int or string?
...t's your code, figure out how you're getting None when you expect a number and stop that from happening.
If it's someone else's code, find out the conditions under which it gives None and determine a sensible value to use for that, with the usual conditional code:
result = could_return_none(x)
if...
How do I remove the first characters of a specific column in a table?
... of values of a specific column in a table? Column name is Student Code and an example value is ABCD123Stu1231 .
I want to remove first 4 chars from my table for all records
...
Is assert evil? [closed]
...g cases that "can't happen", during debugging, as opposed to normal error handling.
Assert: A failure in the program's logic itself.
Error Handling: An erroneous input or system state not due to a bug in the program.
shar...
What's the status of multicore programming in Haskell?
...at's the status of multicore programming in Haskell? What projects, tools, and libraries are available now? What experience reports have there been?
...
How to check a checkbox in capybara?
I'm using Rspec and Capybara.
13 Answers
13
...
jQuery vs jQuery Mobile vs jQuery UI?
I'm new to web development and there are just too many j* stuff out there. I wonder what are the differences between these frameworks?
...
Bootstrap: how do I change the width of the container?
...d container class, but now the client wants the website to be 1000px width and not 1170px. I don't use the .less files.
9 A...
How to install a private NPM module without my own registry?
I've taken some shared code and put it in an NPM module, one I don't want to upload to the central registry. The question is, how do I install it from other projects?
...
Why can I change value of a constant in javascript
I know that ES6 is not standardized yet, but a lot of browsers currently support const keyword in JS.
7 Answers
...
curl_exec() always returns false
...
Error checking and handling is the programmer's friend. Check the return values of the initializing and executing cURL functions. curl_error() and curl_errno() will contain further information in case of failure:
try {
$ch = curl_init(...
