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MySQL - UPDATE query based on SELECT Query
... This is by far the fastest query. Edit: Having dest with 22K rows, and src with 4K rows, it took under 1 sec to complete, while the top answer over 60 sec.
– Chris Dev
Jun 19 '17 at 15:06
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How can I get the current PowerShell executing file?
...for PowerShell 5:
If you're only using PowerShell 3 or higher, use $PSCommandPath
If want compatibility with older versions, insert the shim:
if ($PSCommandPath -eq $null) { function GetPSCommandPath() { return $MyInvocation.PSCommandPath; } $PSCommandPath = GetPSCommandPath; }
This adds $PSComman...
What does rake db:test:prepare actually do?
I am following the rails tutorial videos and I can't figure out what the db:test:prepare command actually does. Can someone provide an explanation?
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Tools to make CSS sprites? [closed]
... tool so i unchose it as my selected answer. it ended up cropping my image and it doesnt explain very well why it leaves big gaps between images
– Simon_Weaver
Feb 12 '09 at 7:43
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What's the difference between SoftReference and WeakReference in Java?
What's the difference between java.lang.ref.WeakReference and java.lang.ref.SoftReference ?
12 Answers
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How do I create a new branch?
...ur-branch-name
The main branch of a project is referred to as the trunk, and is usually located in:
(svn/http)://path-to-repo/trunk
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How do I execute a Git command without being in the repository?
Is there a way to execute Git commands against a repository without being in that repository?
6 Answers
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Can clearInterval() be called inside setInterval()?
I have the code above and sometimes it is working, sometimes it is not. I am wondering if the clearInterval actually clear the timer?? because there is this monitor button that will only be disabled when it is in monitoring function. I have another clearInterval when an element called .outp...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
... this question, the OP states they just installed MySQL for the first time and then tried to access via MySQL command line client. That sounds like first time access to me.
– Mike Brant
Dec 13 '14 at 13:17
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Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...pears after a long time
Server: 8.8.8.8
Address 1: 8.8.8.8
If the command appears to hang, but eventually spits out the error "can't resolve 'google.com'", then you have the same problem as me.
The nslookup command queries the DNS server 8.8.8.8 in order to turn the text address of 'google.com...