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How to hide a in a menu with CSS?
I've realized that Chrome, it seems, will not allow me to hide <option> in a <select> . Firefox will.
13 Ans...
Why is there no Constant feature in Java?
...g to identify the reason behind constants in Java
I have learned that Java allows us to declare constants by using final keyword.
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
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First off, a "port" is just a number. All a "connection to a port" really represents is a packet which has that number specified in its "destination port" header field.
Now, there are two answers to your question, one for stateful protocols and one for stateless...
The identity used to sign the executable is no longer valid
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i had to delete all certificates/profiles manually and also refresh everything on the Apple developer portal and download them again, but it worked.
– benka
Oct 30 '13 at 15:36
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The developers of this app have not set up this app properly for Facebook Login?
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the problem was you have to set
Do you want to make this app and all its live features available to the general public?
set status and review to ON and problem solved
enjoy coding
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In C#, What is a monad?
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Most of what you do in programming all day is combining some functions together to build bigger functions from them. Usually you have not only functions in your toolbox but also other things like operators, variable assignments and the like, but generally your...
In SQL, what's the difference between count(column) and count(*)?
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Just curious: if you have a row with all NULLs, would count(*) still count it, or is just count(column) for all columns?
– Joel Coehoorn
Sep 12 '08 at 15:29
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What programming practice that you once liked have you since changed your mind about? [closed]
As we program, we all develop practices and patterns that we use and rely on. However, over time, as our understanding, maturity, and even technology usage changes, we come to realize that some practices that we once thought were great are not (or no longer apply).
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Salting Your Password: Best Practices?
...d you store. (This is quite a common misunderstanding.)
Use a cryptographically secure random number generator.
Choose a long enough salt. Think about the birthday problem.
There's an excellent answer by Dave Sherohman to another question why you should use randomly generated salts instead of a us...
Can't push to GitHub because of large file which I already deleted
...mand changes the hashes of your commits which can be a real problem, especially on shared repositories. It should not be performed without understanding the consequences.
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