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Delete sql rows where IDs do not have a match from another table
I'm trying to delete orphan entries in a mysql table.
3 Answers
3
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Connect to Amazon EC2 file directory using Filezilla and SFTP
...inux, the default user name is ec2-user. For RHEL5, the user name is often root but might be ec2-user. For Ubuntu, the user name is ubuntu. For SUSE Linux, the user name is root. For Debian, the user name is admin. Otherwise, check with your AMI provider."
Press Connect Button - If saving of passwo...
ExpressJS - throw er Unhandled error event
...f you're on Linux, this problem can also occur if Nodejs is not running as root.
Change from this:
nodejs /path/to/script.js
To this:
sudo nodejs /path/to/script.js
Just happened to me and none of the other suggestions here fixed it. Luckily I remembered the script was working the other day ...
Open Cygwin at a specific folder
...in the initial setup.
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\Directory\Background\shell\cygwin_bash]
@="Open Cygwin Here"
[HKEY_CLASSES_ROOT\Directory\Background\shell\cygwin_bash\command]
@="C:\\cygwin\\bin\\mintty.exe -e /bin/xhere /bin/bash.exe"
...
Preview layout with merge root tag in Intellij IDEA/Android Studio
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I set some attributes to the root view (in this case RelativeLayout) programmatically, like padding. Of course they're not applied in this helper layout (because you use a completely other view). The only solution was to use the whole custom view in the ...
How to disable and re-enable console logging in Python?
...an answer as blocking propagation effectively disables all handlers of the root logger and the question clearly states (…) but I may have other handlers there that I want to keep which suggests the intention is to disable default StreamHandler of the root logger only.
– Piotr...
Codeigniter - no input file specified
... according to your application directory like if you application is not on root directory , write following code in place of above line RewriteRule ^(.*)$ /sub-directory/index.php?/$1 [L,QSA]
– skovy
Oct 22 '14 at 1:39
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The $.param( ) inverse function in JavaScript / jQuery
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My answer:
function(query){
var setValue = function(root, path, value){
if(path.length > 1){
var dir = path.shift();
if( typeof root[dir] == 'undefined' ){
root[dir] = path[0] == '' ? [] : {};
}
arguments.callee(root[dir], path, value);
...
How many database indexes is too many?
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I made some simple tests on my real project and real MySql database. I already answered in this topic: What is the cost of indexing multiple db columns?
But I think it will be better if I quote it here:
I made some simple tests using my real
project and real MySql databa...
How can I parse JSON with C#?
... that you will need to add reference to System.Xml and System.Xml.Linq
var root = XElement.Load(jsonReader);
Console.WriteLine(root.XPathSelectElement("//Name").Value);
Console.WriteLine(root.XPathSelectElement("//Address/State").Value);
// For that you will need to add reference to System.Web.Help...