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Ruby optional parameters

...his method: e.g. If you're trying to make the default value for scope true and you pass in false, scope ||= true won't work. It evaluates the same as nil and will set it to true – Joshua Pinter Nov 10 '11 at 5:32 ...
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C

... trade off memory for speed (assuming your L1 Data Cache is large enough), and reverse 16 bits at a time with a 64K-entry lookup table. Others Simple unsigned int v; // input bits to be reversed unsigned int r = v & 1; // r will be reversed bits of v; first get LSB of v int s = sizeof(v...
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C dynamically growing array

I have a program that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes... ...
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How to write to file in Ruby?

I need to read the data out of database and then save it in a text file. 7 Answers 7 ...
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z-index not working with fixed positioning

I have a div with default positioning (i.e. position:static ) and a div with a fixed position. 8 Answers ...
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Nodemailer with Gmail and NodeJS

... environment. he clearly mentioned that it is working in local environment and not working on remote server. what is the solution for thaat? – Adithya Sai Mar 5 '19 at 19:49 ...
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TypeScript and field initializers

...ways have come up. Please see the other answers below that have more votes and a better answer. I cannot remove this answer since it's marked as accepted. Old answer There is an issue on the TypeScript codeplex that describes this: Support for object initializers. As stated, you can already do ...
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Why does direction of index matter in MongoDB?

... MongoDB concatenates the compound key in some way and uses it as the key in a BTree. When finding single items - The order of the nodes in the tree is irrelevant. If you are returning a range of nodes - The elements close to each other will be down the same branches of th...
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How do I set/unset a cookie with jQuery?

How do I set and unset a cookie using jQuery, for example create a cookie named test and set the value to 1 ? 14 Answers...
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WiX tricks and tips

We've been using WiX for a while now, and despite the usual gripes about ease of use, it's going reasonably well. What I'm looking for is useful advice regarding: ...