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Why use strict and warnings?
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For starters, use strict; (and to a lesser m>ex m>tent, use warnings;) helps find typos in variable names. Even m>ex m>perienced programmers make such errors. A common case is forgetting to rename an instance of a variable when cleaning up or refactoring code.
Using use strict...
How to measure time taken by a function to m>ex m>ecute
I need to get m>ex m>ecution time in milliseconds.
28 Answers
28
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Vim multiline editing like in sublimetm>ex m>t?
... asd;
asd asd asd asd asd;
Hit <C-v> to enter visual-block mode and m>ex m>pand your selection toward the bottom:
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
asd [a]sd asd asd asd;
Hit I"<Esc> to ...
Generating CSV file for m>Ex m>cel, how to have a newline inside a value
...as a field separator, new line as a record separator, use " to protect the content of tm>ex m>t fields, and tm>ex m>t fields might contain |, ", and new line. Is this possible?
– Giorgio
Oct 27 '11 at 9:43
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How do I return multiple values from a function? [closed]
...ll fold them up in a dictionary. Otherwise I tend to forget the order and content of what I'm returning.
Also, introducing a 'special' structure makes your code more difficult to follow. (Someone else will have to search through the code to find out what it is)
If your concerned about type look u...
Force CloudFront distribution/file update
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Host: cloudfront.amazonaws.com
Authorization: [AWS authentication string]
Content-Type: tm>ex m>t/xml
<InvalidationBatch>
<Path>/image1.jpg</Path>
<Path>/image2.jpg</Path>
<Path>/videos/movie.flv</Path>
<CallerReference>my-batch</CallerRefe...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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Nm>ex m>t
109
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Database development mistakes made by application developers [closed]
...e NOT NULL and FOREIGN KEY if I’ll always control my database input with m>php m>?
Are foreign keys really necessary in a database design?
Are foreign keys really necessary in a database design?
3. Using natural rather than surrogate (technical) primary keys
Natural keys are keys based on m>ex m>ternally...
Append values to query string
...ke parsing, url encoding, ...:
string longurl = "http://somesite.com/news.m>php m>?article=1&lang=en";
var uriBuilder = new UriBuilder(longurl);
var query = HttpUtility.ParseQueryString(uriBuilder.Query);
query["action"] = "login1";
query["attempts"] = "11";
uriBuilder.Query = query.ToString();
long...
How is AngularJS different from jQuery
... for DOM Manipulations
Has nothing to do with models
Easily manipulate the contents of a webpage
Apply styles to make UI more attractive
Easy DOM traversal
Effects and animation
Simple to make AJAX calls and
Utilities usability
don't have a two-way binding feature
becomes complm>ex m> and difficult to ma...