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How to convert string to boolean php
...ted by @lauthiamkok in the comments. I'm posting it here as an answer to call more attention to it.
Depending on your needs, you should consider using filter_var() with the FILTER_VALIDATE_BOOLEAN flag.
filter_var( true, FILTER_VALIDATE_BOOLEAN); // true
filter_var( 'true', FILTER_VALIDATE_...
What does LayoutInflater in Android do?
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Ideally you should first test convertView to see if you can recycle a resource, so View view = convertView; if (view == null) { view = mInflater.... }
– Jannie Theunissen
Mar 22 '13 at 12:3...
Getting value of public static final field/property of a class in Java via reflection
...t(null);
Exception handling is left as an exercise for the reader.
Basically you get the field like any other via reflection, but when you call the get method you pass in a null since there is no instance to act on.
This works for all static fields, regardless of their being final. If the field ...
String length in bytes in JavaScript
...r for a modern approach.)
For historical reference or where TextEncoder APIs are still unavailable.
If you know the character encoding, you can calculate it yourself though.
encodeURIComponent assumes UTF-8 as the character encoding, so if you need that encoding, you can do,
function lengthInU...
Passing parameters in rails redirect_to
How do we pass parameters in redirect_to in rails?
I know we can pass id using this:
9 Answers
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Anonymous recursive PHP functions
... pass it by reference. Be aware, that if you modify the $factorial before calling the function, the result will change as it's passed by reference.
– Marius Balčytis
Sep 13 '12 at 21:48
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Custom exception type
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This will not allow you stack traces unless you inherit from Error
– Luke H
Jul 30 '14 at 19:53
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Encrypt Password in Configuration Files? [closed]
...simple way of doing this is to use Password Based Encryption in Java. This allows you to encrypt and decrypt a text by using a password.
This basically means initializing a javax.crypto.Cipher with algorithm "AES/CBC/PKCS5Padding" and getting a key from javax.crypto.SecretKeyFactory with the "PBKDF...
Is there something like RStudio for Python? [closed]
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spyder or install python(x,y). it is great.
If you are new to Python, you can install the free Anaconda distribution (http://continuum.io/downloads.html), which will install Spyder for you, as well as Python 2.7 and IPython. Spyder is ve...
Check whether an array is empty [duplicate]
...pty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() construct will always return true if there is at least one element even with "empty" value.
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