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string sanitizer for filename
...ia.org/wiki/Filename#Reserved_characters_and_words
$name = str_replace(array_merge(
array_map('chr', range(0, 31)),
array('<', '>', ':', '"', '/', '\\', '|', '?', '*')
), '', $name);
// maximise filename length to 255 bytes http://serverfault.com/a/9548/44086
$e...
Difference between res.send and res.json in Express.js
...
The methods are identical when an object or array is passed, but res.json() will also convert non-objects, such as null and undefined, which are not valid JSON.
The method also uses the json replacer and json spaces application settings, so you can format JSON with mo...
php is null or empty?
...use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal.
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✔ Checkmark selected row in UITableViewCell
...n my tableview cell. Once, I do that, I save the check objects in a global array. However, when I use that array to compare inside my 'didSelectRowAtIndexPath' method to see if the indexpath matches to this object inside my global array. I am not able to find it. I think its the [tableView reloadDat...
Why is the Java main method static?
...er simple C application that parses the command line, creates a new String array in the JVM to hold those arguments, parses out the class name that you specified as containing main(), uses JNI calls to find the main() method itself, then invokes the main() method, passing in the newly created string...
Removing all empty elements from a hash / YAML?
... rails version, that also works with values of other types than Array, Hash, or String (like Fixnum): swoop = Proc.new { |k, v| v.delete_if(&swoop) if v.kind_of?(Hash); v.blank? }
– wdspkr
Apr 22 '14 at 12:29
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Create a List of primitive int?
... Integer class which is a wrapper for int:
List<Integer> list = new ArrayList<Integer>();
If your using Java 7 you can simplify this declaration using the diamond operator:
List<Integer> list = new ArrayList<>();
With autoboxing in Java the primitive type int will becom...
How can I pass data from Flask to JavaScript in a template?
... sees. If you want your Flask variable to be available in JavaScript as an array, you have to generate an array definition in your output:
<html>
<head>
<script>
var myGeocode = ['{{ geocode[0] }}', '{{ geocode[1] }}'];
</script>
</head>
<body>...
How to do the equivalent of pass by reference for primitives in Java
...toyNumber into a class member variable.
Choice 4: Create a single element array of type int and pass that
This is considered a hack, but is sometimes employed to return values from inline class invocations.
void play(int [] toyNumber){
System.out.println("Toy number in play " + toyNumber[0]...
Concept behind these four lines of tricky C code
...u see printed, only backwards. At the same time, the second element of the array becomes zero, providing null terminator, making the string suitable for passing to printf().
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