大约有 18,000 项符合查询结果（耗时：0.0373秒） [XML]
How to create a protocol with methods that are optional?
I noticed methods marked optional in several protocols defined in the iPhone SDK, such as the UIActionSheetDelegate protocol for example.
...
Check if a String contains numbers Java
I'm writing a program where the user enters a String in the following format:
14 Answers
...
git error: failed to push some refs to remote
For some reason, I can't push now, whereas I could do it yesterday.
Maybe I messed up with configs or something.
39 Answers...
don't fail jenkins build if execute shell fails
As part of my build process, I am running a git commit as an execute shell step. However, if there are no changes in the workspace, Jenkins is failing the build. This is because git is returning an error code when there are no changes to commit. I'd like to either abort the build, or just mark it ...
pycharm running way slow
I'm a big fan of PyCharm by JetBrains but I do run into some issues that I thought maybe I'll ask here about.
9 Answers
...
Angularjs Template Default Value if Binding Null / Undefined (With Filter)
I have a template binding that displays a model attribute called 'date' which is a date, using Angular's date filter.
6 Ans...
Difference between float and decimal data type
What difference does it make when I use float and decimal data types in MySQL?.
12 Answers
...
Seedable JavaScript random number generator
The JavaScript Math.random() function returns a random value between 0 and 1, automatically seeded based on the current time (similar to Java I believe). However, I don't think there's any way to set you own seed for it.
...
Iterating Over Dictionary Key Values Corresponding to List in Python
Working in Python 2.7. I have a dictionary with team names as the keys and the amount of runs scored and allowed for each team as the value list:
...
How to include an '&' character in a bash curl statement
I'm trying to use curl in bash to download a webpage, but the & symbol in the URL isn't interpreted as a character as I would like. Any ideas on how I can convince bash that the symbol & is just a boring character and nothing special?
...