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How to write log base(2) in c/c++
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Simple math:
log2 (x) = logy (x) / logy (2)
where y can be anything, which for standard log functions is either 10 or e.
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
Best practice: PHP Magic Methods __set and __get [duplicate]
These are simple examples, but imagine you have more properties than two in your class.
9 Answers
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ImportError: numpy.core.multiarray failed to import
I'm trying to run this program
26 Answers
26
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How to remove the underline for anchors(links)?
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Use CSS. this removes underlines from a and u elements:
a, u {
text-decoration: none;
}
Sometimes you need to override other styles for elements, in which case you can use the !important modifier on your rule:
a {
text-decoration...
Ways to save Backbone.js model data?
I am more into front end development and have recently started exploring Backbone.js into my app. I want to persist the model data to the server.
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Is there a Python Library that contains a list of all the ascii characters?
Something like below:
7 Answers
7
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In Intellij IDEA how do I replace text with a new line?
Say I wanted to replace all commas with commas and a new line using Intellij IDEA's replace function. What do I put in the search box? In vim I'd use &\r
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Tips for debugging .htaccess rewrite rules
Many posters have problems debugging their RewriteRule and RewriteCond statements within their .htaccess files. Most of these are using a shared hosting service and therefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot e...
How to get first character of string?
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What you want is charAt.
var x = 'some string';
alert(x.charAt(0)); // alerts 's'
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