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What are the use cases for selecting CHAR over VARCHAR in SQL?
...ecommended if all my values are fixed-width. But, so what? Why not just pick VARCHAR for all text fields just to be safe.
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Should I use Java's String.format() if performance is important?
We have to build Strings all the time for log output and so on. Over the JDK versions we have learned when to use StringBuffer (many appends, thread safe) and StringBuilder (many appends, non-thread-safe).
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Difference between case object and object
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axel22
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answered Mar 11 '11 at 10:28
Dave GriffithDav...
Is there a way to make npm install (the command) to work behind proxy?
Read about a proxy variable in a .npmrc file but it does not work. Trying to avoid manually downloading all require packages and installing.
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How do I check if a Sql server string is null or empty
I want to check for data, but ignore it if it's null or empty. Currently the query is as follows...
18 Answers
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Session timeout in ASP.NET
...send the user to the login page with the session still active. This may look like the behavior your app gives when session times out making it easy to confuse one with the other.
<system.web>
<authentication mode="Forms">
<forms timeout="50"/>
</authentication...
Check if inputs are empty using jQuery
I have a form that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background.
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How to check what user php is running as?
...ode however (which is often the case when exec is disabled), then it's unlikely that your PHP process is running under anything but the default www-data or apache account.
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PHP expresses two different strings to be the same [duplicate]
..." // false (Note: this is different form PHP)
So in javascript, when you know the type of the result, you could use == instead of === to save one character.
For example, typeof operator always returns a string, so you could just use
typeof foo == 'string' instead of typeof foo === 'string' with...
What is the Haskell response to Node.js?
... believe the Erlang community is not envious of Node.js as it does non-blocking I/O natively and has ways to scale deployments easily to more than one processor (something not even built-in in Node.js). More details at http://journal.dedasys.com/2010/04/29/erlang-vs-node-js and Node.js or Erlang...