大约有 41,000 项符合查询结果（耗时：0.0633秒） [XML]
“unpacking” a tuple to call a matching function pointer
I'm trying to store in a std::tuple a varying number of values, which will later be used as arguments for a call to a function pointer which matches the stored types.
...
Schrödingers MySQL table: exists, yet it does not
I am having the weirdest error of all.
11 Answers
11
...
No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
vim, switching between files rapidly using vanilla Vim (no plugins)
I understand that limiting myself to vanilla Vim (not using plugins) limits the power of the editor, but as I switch between different machines frequently, it is often too much trouble to move my environment around everywhere. I want to just stay in vanilla Vim.
...
How expensive is RTTI?
I understand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
...
Replace selector images programmatically
I have an ImageView that has a drawable image resource set to a selector. How do I programmatically access the selector and change the images of the highlighted and non-highlighted state?
...
When to use the different log levels
There are different ways to log messages, in order of fatality:
18 Answers
18
...
How do you overcome the svn 'out of date' error?
I've been attempting move a directory structure from one location to another in Subversion, but I get an Item '*' is out of date commit error.
...
Open file via SSH and Sudo with Emacs
I want to open a file inside Emacs which is located on a remote server, with sudo powers on the server. I can open local files with sudo via Tramp like this:
...
How to use Namespaces in Swift?
The documentation only mentions nested types, but it's not clear if they can be used as namespaces. I haven't found any explicit mentioning of namespaces.
...