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How to vertically center a div for all browsers?
I want to center a div vertically with CSS. I don't want tables or JavaScript, but only pure CSS. I found some solutions, but all of them are missing Internet Explorer 6 support.
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Difference between HashSet and HashMap?
...tch the mathematical model of a set. A HashSet does use a HashMap to back its implementation, as you noted. However, it implements an entirely different interface.
When you are looking for what will be the best Collection for your purposes, this Tutorial is a good starting place. If you truly wa...
How to paginate with Mongoose in Node.js?
I am writing a webapp with Node.js and mongoose. How can I paginate the results I get from a .find() call? I would like a functionality comparable to "LIMIT 50,100" in SQL.
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How to replace an entire line in a text file by line number
I have a situation where I want a bash script to replace an entire line in a file.
The line number is always the same, so that can be a hard-coded variable.
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How to use Morgan logger?
I cannot log with Morgan. It doesn't log info to console. The documentation doesn't tell how to use it.
10 Answers
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Simple way to find if two different lists contain exactly the same elements?
...list1.equals(list2)
From the javadoc:
Compares the specified object with
this list for equality. Returns true
if and only if the specified object is
also a list, both lists have the same
size, and all corresponding pairs of
elements in the two lists are equal.
(Two elements e1 and ...
Best Practice - NSError domains and codes for your own project/app
...NS style domain. For example:
NSError * myInternalError = [NSError errorWithDomain:@"com.davedelong.myproject" code:42 userInfo:someUserInfo];
The third part of the domain (@"myproject") is just used to differentiate the errors from this project ("My Project") from errors in another project ("My...
How do I do base64 encoding on iOS?
...upport from the iPhone SDK . How can I do base64 encoding and decoding with or without a library?
19 Answers
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Performance of foreach, array_map with lambda and array_map with static function
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FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug.
UPDATE 2015-01-22 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(...
Copy existing project with a new name in Android Studio
...copy my Android project and create a new project from the same files just with a different name. The purpose of this is so I can have a second version of my app which is ad supported in the app store.
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