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find vs find_by vs where
I am new to rails. What I see that there are a lot of ways to find a record:
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Achieving bright, vivid colors for an iOS 7 translucent UINavigationBar
iOS 7.1 UPDATE : Looks like the workaround for modifying the alpha channel in the UINavigationBar has been ignored in this update. Right now, the best solution seems to be to just 'deal with it' and hope that whatever color you choose can render a translucent effect. I am still looking into ways of ...
Do try/catch blocks hurt performance when exceptions are not thrown?
During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...
How can I get the Typescript compiler to output the compiled js to a different directory?
I'm fairly new to TypeScript, and right now I have .ts files in several places throughought my project structure:
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
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How can I test that a value is “greater than or equal to” in Jasmine?
I want to confirm that a value is a decimal (or 0), so the number should be greater than or equal to zero and less than 1.
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Transparent ARGB hex value
The colors in this table is all not transparent. I guess the value for the A is set to FF .
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MySQL stored procedure vs function, which would I use when?
I'm looking at MySQL stored procedures and function. What is the real difference?
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How do I close an open port from the terminal on the Mac?
I opened port #5955 from a java class to comunicate from a client. How do i close this port after I am done? and also which command can show me if port open or closed?
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How to get current time in milliseconds in PHP?
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