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How do I write a correct micro-benchmark in Java?
How do you write (and run) a correct micro-benchmark in Java?
11 Answers
11
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Can Objective-C switch on NSString?
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Unfortunately they cannot. This is one of the best and most sought after utilizations of switch statements, so hopefully they hop on the (now) Java (and others) bandwagon!
If you are doing card names, perhaps assign each card object an integer value and switch on that. Or pe...
Regex to validate password strength
...ex. To many times I use complex regex that I found, without really understanding what is going on.
– Nicholas Smith
Jan 27 '14 at 17:54
5
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std::cin input with spaces?
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And why not use cin.getline(input, sizeof(input));? Also, shouldn't you check the return status?
– Jonathan Leffler
Jun 14 '13 at 23:32
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What type of hash does WordPress use?
...hing framework, which is used in Content Management Systems like WordPress and Drupal.
They used to use MD5 in the older versions, but sadly for me, no more. You can generate hashes using this encryption scheme at http://scriptserver.mainframe8.com/wordpress_password_hasher.php.
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...s address;
:
}
Orphan Removal
JPA 2 supports an additional and more aggressive remove cascading mode
which can be specified using the orphanRemoval element of the
@OneToOne and @OneToMany annotations:
@Entity
class Employee {
:
@OneToOne(orphanRemoval=true)
private ...
Split output of command by columns using Bash?
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And also, the field nunbers will be off if some PID:s are space padded on the left while others are not.
– tripleee
Mar 4 '15 at 14:58
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Rails 4 multiple image or file upload using carrierwave
...ow can I upload multiple images from a file selection window using Rails 4 and CarrierWave? I have a post_controller and post_attachments model. How can I do this?
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
...would be [\W_]
text.replace(/[\W_]+/g," ");
\W is the negation of shorthand \w for [A-Za-z0-9_] word characters (including the underscore)
Example at regex101.com
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jQuery using append with effects
...isplays is updated as soon as the div is appended. So, to combine Mark B's and Steerpike's answers:
Style the div you're appending as hidden before you actually append it. You can do it with inline or external CSS script, or just create the div as
<div id="new_div" style="display: none;"> .....