大约有 7,000 项符合查询结果（耗时：0.0307秒） [XML]
Reference — What does this symbol mean in PHP?
This is a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
...
matplotlib does not show my drawings although I call pyplot.show()
...ed perfectly. Of course, that means you can only install into your system directories, no virtualenv goodness, and you are stuck with the versions that Ubuntu distributes, which may be way behind the current version...
shar...
Why does npm install say I have unmet dependencies?
I have a node package. When I run npm install from the package root, it installs a bunch of things, but then prints several error messages that look like this:
...
List files by last edited date
...
You can use:
ls -Rt
where -R means recursive (include subdirectories) and -t means "sort by last modification date".
To see a list of files sorted by date modified, use:
ls -l -Rt
An alias can also be created to achieve this:
alias lt='ls -lht'
lt
Where -h gives a more rea...
Define make variable at rule execution time
In my GNUmakefile, I would like to have a rule that uses a temporary directory. For example:
4 Answers
...
CSS, Images, JS not loading in IIS
My all applications were working fine but suddenly all sites under IIS are not loading css, images, scripts. It redirect to login page.
...
Call PowerShell script PS1 from another PS1 script inside Powershell ISE
I want call execution for a myScript1.ps1 script inside a second myScript2.ps1 script inside Powershell ISE.
11 Answers
...
Concatenate multiple files but include filename as section headers
...nd` for more info
. = in current directory
-type f = only files, not directories
-print = show found file
-exec = additionally execute another linux command
cat = linux `cat` command, see `man cat`, displays file contents
{} = placeholder for the currently found filename
\; = ...
How do I list one filename per output line in Linux?
...angle nonprintable characters. You will still not be able to reliably list directories where a file name contains a newline, but that's rarely done (remember this as a potential security issue, not a usability issue).
In python (beware that shell metacharacters must be escapes in remote_dir):
comm...
Where does Android emulator store SQLite database?
I'm working on an Android application that stores data in a SQLite database. My question is, where does this database file get stored on the filesystem when you're using an emulator?
...