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Why do we have map, fmap and liftM?
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map exists to simplify operations on lists and for historical reasons (see What's the point of map in Haskell, when there is fmap?).
You might ask why we need a separate map function. Why not just do away with the current
list-only map function, and rename fmap to m...
How do I link to part of a page? (hash?)
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If there is an <a name="foo"> tag or any tag with an id (e.g., <div id="foo">), then you can simply append #foo to the URL. Otherwise, you can't arbitrarily link to portions of a page.
Here's a complete example: <a href="http://example.com/page.htm...
What are “signed” cookies in connect/expressjs?
... has a signature, so it can detect if the client modified the cookie.
It works by creating a HMAC of the value (current cookie), and base64 encoded it. When the cookie gets read, it recalculates the signature and makes sure that it matches the signature attached to it.
If it does not match, then i...
CSS/HTML: What is the correct way to make text italic?
What is the correct way to make text italic? I have seen the following four approaches:
12 Answers
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Java: Date from unix timestamp
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For 1280512800, multiply by 1000, since java is expecting milliseconds:
java.util.Date time=new java.util.Date((long)timeStamp*1000);
If you already had milliseconds, then just new java.util.Date((long)timeStamp);
From th...
Java string to date conversion
What is the best way to convert a String in the format 'January 2, 2010' to a Date in Java?
15 Answers
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Laravel redirect back to original destination after login
... seems like a pretty basic flow, and Laravel has so many nice solutions for basic things, I feel like I'm missing something.
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Why do we need RESTful Web Services?
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REST should be used if it is very important for you to minimize the coupling between client and server components in a distributed application.
This may be the case if your server is going to be used by many different clients that you do not have control over. ...
Log4Net, how to add a custom field to my logging
...er, @message, @exception, @CustomColumn)
2) Add the parameter definition for the custom column:
<parameter>
<parameterName value="@CustomColumn"/>
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<convers...
Get java.nio.file.Path object from java.io.File
...om the File object by using File.toPath(). Keep in mind that this is only for Java 7+. Java versions 6 and below do not have it.
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