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What's the best way to join on the same table twice?
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First, I would try and refactor these tables to get away from using phone numbers as natural keys. I am not a fan of natural keys and this is a great example why. Natural keys, especially things like phone numbers, can change and frequently so....
How to extract the year from a Python datetime object?
...ne key thing to note is that the time components can differ between 32-bit and 64-bit pythons in some python versions (2.5.x tree I think). So you will find things like hour/min/sec on some 64-bit platforms, while you get hour/minute/second on 32-bit.
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Calling a function every 60 seconds
...nction, delay)
That fires the function passed in as first parameter over and over.
A better approach is, to use setTimeout along with a self-executing anonymous function:
(function(){
// do some stuff
setTimeout(arguments.callee, 60000);
})();
that guarantees, that the next call is not...
Changing all files' extensions in a folder with one command on Windows
How can I use the Windows command line to change the extensions of thousands of files to *****.jpg ?
11 Answers
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How to share my Docker-Image without using the Docker-Hub?
...hout using the Docker-Hub or a Dockerfile but the 'real' Docker-Image? And what is exactly happening when I 'push' my Docker-Image to Docker-Hub?
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Git says “Warning: Permanently added to the list of known hosts”
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Solution: create a ~/.ssh/config file and insert the line:
UserKnownHostsFile ~/.ssh/known_hosts
You will then see the message the next time you access Github, but after that you'll not see it anymore because the host is added to the known_hosts file. This fi...
setMaxResults for Spring-Data-JPA annotation?
...ata JPA 1.7.0 (Evans release train).
You can use the newly introduced Top and First keywords that allow you to define query methods like this:
findTop10ByLastnameOrderByFirstnameAsc(String lastname);
Spring Data will automatically limit the results to the number you defined (defaulting to 1 if o...
Splitting string into multiple rows in Oracle
I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
...nswered Sep 14 '10 at 11:23
Rowland ShawRowland Shaw
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C# Pass Lambda Expression as Method Parameter
I have a lambda expression that I'd like to be able to pass around and reuse. Here's the code:
4 Answers
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