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Search and replace in Vim across all the project files
I'm looking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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How to set the width of a cell in a UITableView in grouped style
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A better and cleaner way to achieve this is subclassing UITableViewCell and overriding its -setFrame: method like this:
- (void)setFrame:(CGRect)frame {
frame.origin.x += inset;
frame.size.width -= 2 * inset;
[super setFr...
Python multiprocessing pool.map for multiple arguments
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The answer to this is version- and situation-dependent. The most general answer for recent versions of Python (since 3.3) was first described below by J.F. Sebastian.1 It uses the Pool.starmap method, which accepts a sequence of argument tuples. It then au...
Android equivalent to NSNotificationCenter
In the process of porting an iPhone application over to android, I am looking for the best way to communicate within the app. Intents seem to be the way to go, is this the best (only) option? NSUserDefaults seems much lighter weight than Intents do in both performance and coding.
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Render a variable as HTML in EJS
...ot printed out.
<%= code %>
... which is code that is evaluated and printed out (escaped).
<%- code %>
... which is code that is evaluated and printed out (not escaped).
Since you want to print your variable and NOT escape it, your code would be the last type (with the <%-)....
Should I index a bit field in SQL Server?
...worth doing. I admit I don't know enough about how indexes work to understand why that is.
19 Answers
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Can TCP and UDP sockets use the same port?
First of all, is there any problem with using both UDP and TCP on the same server?
2 Answers
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What is the difference between Normalize.css and Reset CSS?
...ample, elements like sup or sub "just work" after including normalize.css (and are actually made more robust) whereas they are visually indistinguishable from normal text after including reset.css. So, normalize.css does not impose a visual starting point (homogeny) upon you. This may not be to ever...
Fastest way to count exact number of rows in a very large table?
...ECT COUNT(*) FROM TABLE_NAME will be slow when the table has lots of rows and lots of columns.
25 Answers
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Remove empty elements from an array in Javascript
...that are falsy, which include an empty string "", 0, NaN, null, undefined, and false.
You can pass to the filter method, the Boolean constructor function, or return the same element in the filter criteria function, for example:
var filtered = array.filter(Boolean);
Or
var filtered = array.filte...