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How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
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How can I comment a single line in XML?
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No, there is no way to comment a line in XML and have the comment end automatically on a linebreak.
XML has only one definition for a comment:
'<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
XML forbids -- in comments to maintain compatibi...
Add list to set?
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You can't add a list to a set because lists are mutable, meaning that you can change the contents of the list after adding it to the set.
You can however add tuples to the set, because you cannot change the contents of a tuple:
>>> a.add(('f', 'g'))
>>> print a
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Creating a jQuery object from a big HTML-string
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Safely remove migration In Laravel
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I accidentally created a migration with a bad name (command: php artisan migrate:make). I did not run (php artisan migrate) the migration, so I decided to remove it.
My steps:
Manually delete the migration file under app/database/migrations/my_migration_file_name.php
Res...
Is there more to an interface than having the correct methods
...eason is, for example, if you want to create a list of boxes and perform some operation on each one, but you want the list to contain different kinds of boxes. On each box you could do:
myBox.close()
(assuming IBox has a close() method) even though the actual class of myBox changes depending on w...
Twitter's typeahead.js suggestions are not styled (have no border, transparent background, etc.)
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So looking into the docs I now see:
By default, the dropdown menu created by typeahead.js is going to look
ugly and you'll want to style it to ensure it fits into the theme of
your web page.
My solution was thus to copy the styling from the example I wished to replicate:
.tt-que...
Converting an integer to a string in PHP
...aintenance perspective its obvious what you are trying to do rather than some of the other more esoteric answers. Of course, it depends on your context.
$var = 5;
// Inline variable parsing
echo "I'd like {$var} waffles"; // = I'd like 5 waffles
// String concatenation
echo "I'd like ".$var." wa...
How to set background color of a View
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@delive - Come again? Color.GREEN is not deprecated, and includes the alpha byte. It's value is 0xff00ff00, exactly the same as what's suggested in the answer, except it also has the benefit of being human-readable. Most developers wo...
Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
...g in your app.config under configuration node
<startup useLegacyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
<requiredRuntime version="v4.0.20506" />
</startup>
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