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How does this print “hello world”?
...e case) english letters and 6 symbols (being space among them).
Algorithm description
The >>= 5 in the for-loop jumps from group to group, then the 5-bits group gets isolated ANDing the number with the mask 31₁₀ = 11111₂ in the sentence l & 31
Now the code maps the 5-bit value to ...
How Do I Document Packages in Java?
...
It's an HTML file containing the description of your package. That's it!
– oxbow_lakes
Mar 8 '09 at 22:25
3
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How to validate an e-mail address in swift?
...il()
}
}
It's that easy.
Explanation for anyone new to regex:
In this description, "OC" means ordinary character - a letter or a digit.
__firstpart ... has to start and end with an OC. For the characters in the middle you can have certain characters such as underscore, but the start and end hav...
What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
...ject, the Project Explorer shows you additional tree nodes like Deployment Descriptor and JavaScript Resources. You can see (and configure) all available contributions in Project Explorer / Customize View... / Content.
For example using SpringSource Tool Suite 2.1.0 I have additional nodes for web ...
Get class name of object as string in Swift
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UPDATED TO SWIFT 5
We can get pretty descriptions of type names using the instance variable through the String initializer and create new objects of a certain class
Like, for example print(String(describing: type(of: object))). Where object can be an instance...
Prevent double submission of forms in jQuery
...Stuart.Sklinar - good idea. I used $form though - 'form' because it's more descriptive, and the leading $ because by my convention, that means it's a jQuery object.
– Nathan Long
Jun 25 '12 at 11:08
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Using PowerShell to write a file in UTF-8 without the BOM
...SIS
Outputs to a UTF-8-encoded file *without a BOM* (byte-order mark).
.DESCRIPTION
Mimics the most important aspects of Out-File:
* Input objects are sent to Out-String first.
* -Append allows you to append to an existing file, -NoClobber prevents
overwriting of an existing file.
* -...
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
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-1 for this answer. Incorrect description of the relationship between bool and int (in Python 2). isinstance(True, int) => True. That is, True IS an integer, and does not require conversion.
– ToolmakerSteve
Jan 2...
What is the most frequent concurrency issue you've encountered in Java? [closed]
...
Ha...now that's a tortured description. "unlikely to have useful semantics" could better be described as "most likely broken". :)
– Alex Miller
Jan 20 '09 at 16:45
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How do I add 24 hours to a unix timestamp in php?
... As php manual says strtotime can Parse about any English textual datetime description into a Unix timestamp.
examples from the manual are as below:
<?php
echo strtotime("now"), "\n";
echo strtotime("10 September 2000"), "\n";
echo strtotime("+1 day"), "\n";
echo strtotime("...