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Custom attributes - Yea or nay?
Recently I have been reading more and more about people using custom attributes in their HTML tags, mainly for the purpose of embedding some extra bits of data for use in javascript code.
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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
...hird value of the array, it will contain the value bar because it was just set by the previous iteration of that loop.
Is it a bug?
No. This is the behavior of a referenced item, and not a bug. It would be similar to running something like:
for ($i = 0; $i < count($arr); $i++) { $item = $arr[$i];...
How to add new line into txt file
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Java Reflection Performance
Does creating an object using reflection rather than calling the class constructor result in any significant performance differences?
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How to create Android Facebook Key Hash?
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$ keytool -exportcert -alias androiddebugkey -keystore "C:\Documents and Settings\Administrator.android\debug.keystore" | "C:\OpenSSL\bin\openssl" sha1 -binary |"C:\OpenSSL\bin\openssl" base64
it will ask for password, put android
that's all. u will get a key-hash
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I change the capitalization of a directory and Git doesn't seem to pick up on it
...e change. It still thinks the directories are lowercase when I run git ls-files and other commands.
11 Answers
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Open the file in universal-newline mode using the CSV Django module
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How to use mysql JOIN without ON condition?
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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
...@some_var.is_a?(Hash)
It's worth noting that the "is_a?" method is true if the class is anywhere in the objects ancestry tree. for instance:
@some_var.is_a?(Object) # => true
the above is true if @some_var is an instance of a hash or other class that stems from Object. So, if you want a str...
Reference assignment operator in PHP, =&
...ving a 5. However the reference link may be broken by $b =& $xyz; or unset($b); At which time $a will be the only variable that knows where the cell is that holds the 5. Also beware that if you set $a using =&, you must use =& next time (or unset($a)) to change the reference link of $a, ...