大约有 7,000 项符合查询结果（耗时：0.0199秒） [XML]
How to revert initial git commit?
...osing anything.
All the files you added are still available in the working directories, assuming you have not modified them yet and have not deleted them, etc. However, doing this is safe only if you have nothing else in your repository at all. Under the circumstances described in the question 'co...
Is it possible to use “/” in a filename?
...one, but is there a way to use the slash character that normally separates directories within a filename in Linux?
6 Answer...
Read and write a String from text file
...from it
let text = "some text" //just a text
if let dir = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.AllDomainsMask, true).first {
let path = NSURL(fileURLWithPath: dir).URLByAppendingPathComponent(file)
//writing
do {
t...
iPhone Simulator location
Where on my machine is the iPhone simulator installed?
17 Answers
17
...
How do I create a crontab through a script
....d, /etc/cron.hourly, /etc/cron.daily, /etc/cron.weekly, /etc/cron.monthly directories and in the files /etc/crontab and /etc/anacrontab.
share
|
improve this answer
|
follow...
Makefile, header dependencies
...d by the gnu preprocessor are a bit confusing. However, the removal of all directories from the build target with -MM is documented and not a bug [gpp]:
By default CPP takes the name of the main input file, deletes any
directory components and any file suffix such as ‘.c’, and appends the
...
Dump a mysql database to a plaintext (CSV) backup from the command line
I'd like to avoid mysqldump since that outputs in a form that is only convenient for mysql to read. CSV seems more universal (one file per table is fine). But if there are advantages to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql s...
How can I troubleshoot my Perl CGI script?
I have a Perl script that isn't working and I don't know how to start narrowing down the problem. What can I do?
8 Answers
...
Where are the PostgreSQL logs on macOS?
I would like to take a look at the PostgreSQL log files to see what my app writes to them but I can't find them.
8 Answers
...
brew update: The following untracked working tree files would be overwritten by merge:
...an delegate management of changes to it again.
no manual moves of files or directories.
no manual adjustments of file or directory permissions.
Steps (with notes for those who want explanations):
cd $(brew --repository) // see Note 1 below
git remote add brew http...