大约有 45,000 项符合查询结果（耗时：0.0610秒） [XML]
How to test which port MySQL is running on and whether it can be connected to?
I have installed MySQL and even logged in there as a user.
13 Answers
13
...
Equivalent of *Nix 'which' command in PowerShell?
...customizing my profile in PowerShell was 'which'.
New-Alias which get-command
To add this to your profile, type this:
"`nNew-Alias which get-command" | add-content $profile
The `n at the start of the last line is to ensure it will start as a new line.
...
List all environment variables from the command line
Is it possible to list all environment variables from a Windows' command prompt?
8 Answers
...
Get the length of a String
...ke this: func countElements<T>(x: T) -> T.IndexType.DistanceType and the return type doesn't accept the + operation.
– MarkAurelius
Jul 6 '14 at 6:21
291
...
How to get the parents of a merge commit in git?
Some git commands take the parent as a revision; others (such as git revert ), as a parent number. How to get the parents for both cases. I don’t want to use the graphical log command as that often requires scrolling down a long tree to find the second parent.
...
Override Java System.currentTimeMillis for testing time sensitive code
...commend that instead of messing with the system clock, you bite the bullet and refactor that legacy code to use a replaceable clock. Ideally that should be done with dependency injection, but even if you used a replaceable singleton you would gain testability.
This could almost be automated with se...
Differences between socket.io and websockets
What are the differences between socket.io and websockets in
node.js?
Are they both server push technologies?
The only differences I felt was,
...
How to change CSS using jQuery?
...
@Ender: using css() all the css is reset and only the css mentioned in this function persists. How can I only add css which is to be changed and retain previous css ?
– SimpleGuy
Sep 2 at 5:46
...
Why can't I forward-declare a class in a namespace using double colons?
...viously declared) entities. They can't be used to introduce new entities.
And you are in fact "reopening" the namespace to declare new entities. If the class Class is later defined as a member of different namespace - it is a completely different class that has nothing to do with the one you declar...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
I am wondering how you can get the system CPU usage and present it in percent using bash, for example.
5 Answers
...