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MySQL: Quick breakdown of the types of joins [duplicate]
...ma separated example you gave of
SELECT * FROM a, b WHERE b.id = a.beeId AND ...
is selecting every record from tables a and b with the commas separating the tables, this can be used also in columns like
SELECT a.beeName,b.* FROM a, b WHERE b.id = a.beeId AND ...
It is then getting the instru...
Symfony 2: How do I check if a user is not logged in inside a template?
...wer answers the OP's question, I would like to add more details.
I understand the OP did not want to check roles, but I am including them so other SO users can copy and paste from this in the future. - everytime I google this, I end up here!
Symfony Doc Sources:
http://symfony.com/doc/current/bo...
Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
I have a method that accepts a block and a completion block. The first block should run in the background, while the completion block should run in whatever queue the method was called.
...
How do I specify the exit code of a console application in .NET?
... their case, make sure your project is compiled as a "Console application" and not as a "Windows application".
– Marcel Gosselin
Apr 7 '12 at 4:11
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Why does the expression 0 < 0 == 0 return False in Python?
...
I believe Python has special case handling for sequences of relational operators to make range comparisons easy to express. It's much nicer to be able to say 0 < x <= 5 than to say (0 < x) and (x <= 5).
These are called chained comparisons. And th...
Putty: Getting Server refused our key Error
...po in my key. Apparently when pasting to file the first letter was cut off and it started with sh-rsa instead of ssh-rsa.
nrathathaus - your answer was very helpful, thanks a lot, this answer is credited to you :) I did like you said and set this in sshd_conf:
LogLevel DEBUG3
By looking at the l...
Why is there no std::stou?
... pat answer would be that the C library has no corresponding “strtou”, and the C++11 string functions are all just thinly veiled wrappers around the C library functions: The std::sto* functions mirror strto*, and the std::to_string functions use sprintf.
Edit: As KennyTM points out, both stoi...
Manual deployment vs. Amazon Elastic Beanstalk
...tages we get by using Elastic Beanstalk over maually creating EC2 instance and setting up tomcat server and deploy etc for a typical java web applicaion. Are load balancing, Monitoring and autoscaling the only advantages?
...
Placement of the ng-app directive (html vs body)
I recently reviewed the code for a webapp built with angular and found that it was written with the ng-app="myModule" directive placed on the <body> tag. When learning angular, I've only ever seen it used on the <html> tag, as recommended by the angular docs here , here , and in...
Get a list of all git commits, including the 'lost' ones
...ference between a commit deliberately orphaned by commit --amend or rebase and one accidentally orphaned by working with a detached HEAD, say.
– Cascabel
Jan 24 '11 at 21:22
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