大约有 11,000 项符合查询结果（耗时：0.0201秒） [XML]
Update a column value, replacing part of a string
I have a table with the following columns in a MySQL database
6 Answers
6
...
How to display an unordered list in two columns?
With the following HTML, what is the easiest method to display the list as two columns?
15 Answers
...
What is “String args[]”? parameter in main method Java
I'm just beginning to write programs in Java. What does the following Java code mean?
16 Answers
...
npm throws error without sudo
...g and whenever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin.
...
How to run an EXE file in PowerShell with parameters with spaces and quotes
How do you run the following command in PowerShell?
19 Answers
19
...
When would you use delegates in C#? [closed]
What are your usage of delegates in C#?
20 Answers
20
...
SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
Sometimes when I run an application on device from Xcode I would try to access the keychain but fail due to error -34018. This doesn't match any of the documented keychain error codes and can't be consistently reproduced. (happens maybe 30% of the time, and it's not clear to me why it happens). What...
How to check if a string is a valid hex color representation?
For example:
7 Answers
7
...
How to lazy load images in ListView in Android
I am using a ListView to display some images and captions associated with those images. I am getting the images from the Internet. Is there a way to lazy load images so while the text displays, the UI is not blocked and images are displayed as they are downloaded?
...
Find all files with a filename beginning with a specified string?
I have a directory with roughly 100000 files in it, and I want to perform some function on all files beginning with a specified string, which may match tens of thousands of files.
...