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How to determine whether an object has a given property in JavaScript
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Object has property:
If you are testing for properties that are on the object itself (not a part of its prototype chain) you can use .hasOwnProperty():
if (x.hasOwnProperty('y')) {
// ......
}
Object or its prototype has a property:
You can use the in operato...
How to make CSS width to fill parent?
I am sure this problem has been asked before but I cannot seem to find the answer.
4 Answers
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Escape single quote character for use in an SQLite query
...te the database schema (only one table so far), and the INSERT statements for that table in one file. Then I created the database as follows:
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Will Emacs make me a better programmer? [closed]
...hinking that using Tiger Woods's golf clubs will make you a better golfer, or using Eddie Van Halen's guitar will make you a better musician.
– Kristopher Johnson
Jun 26 '09 at 11:24
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Which HTML5 tag should I use to mark up an author’s name?
For example of a blog-post or article.
8 Answers
8
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CSS background-image - What is the correct usage?
What is the correct usage of the CSS background-image property?
The key things I am trying to understand is
10 Answers
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Search and replace in bash using regular expressions
...NNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g flag for the expression will match all occurrences in the input.
You can also pick your favorite tool using this method, i.e. perl, awk, e.g.:
echo "$MYVAR" | perl -pe 's/[a-zA-Z]/X/g and s/[0-9]/N/g'
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Objective-C: Reading a file line by line
...'s a great question. I think @Diederik has a good answer, although it's unfortunate that Cocoa doesn't have a mechanism for exactly what you want to do.
NSInputStream allows you to read chunks of N bytes (very similar to java.io.BufferedReader), but you have to convert it to an NSString on your own...
boolean in an if statement
...a remark about code considering the way I check whether a variable is true or false in a school assignment.
14 Answers
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phpinfo() - is there an easy way for seeing it?
...ach would be to have a phpinfo script in the root of your web server directory, that way you have access to it at all times via http://localhost/info.php or something similar (NOTE: don't do this in a production environment or somewhere that is publicly accessible)
EDIT: As mentioned by binaryLV, i...