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apache redirect from non www to www
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What is the second part with the .html for??
– Nathan H
Dec 4 '12 at 13:16
6
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Const before or const after?
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why is there two correct ways of specifying const data and in what situation would you prefer or need one over the other if any?
Essentially, the reason that the position of const within specifiers prior to an asterisk does not matter is that the C grammar was defined that way by Kern...
Are soft deletes a good idea? [duplicate]
...r years; not many records were ever "deleted", so the totals were close to what was expected and no one noticed).
Finally, a soft delete will work on a table with artificial keys, but potentially won't work on a table with a natural primary key (e.g. you "delete" someone from a table keyed by Socia...
Why does viewWillAppear not get called when an app comes back from the background?
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The method viewWillAppear should be taken in the context of what is going on in your own application, and not in the context of your application being placed in the foreground when you switch back to it from another app.
In other words, if someone looks at another application or take...
Apache Spark: map vs mapPartitions?
What's the difference between an RDD's map and mapPartitions method? And does flatMap behave like map or like mapPartitions ? Thanks.
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“Java DateFormat is not threadsafe” what does this leads to?
...happen: parsing often involves maintaining a certain amount of state as to what you've read so far. If two threads are both trampling on the same state, you'll get problems. For example, DateFormat exposes a calendar field of type Calendar, and looking at the code of SimpleDateFormat, some methods c...
What is the benefit of using $() instead of backticks in shell scripts?
... some form of escaping will work on the backticks.
An example, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112[0-9][0-9]*.txt | tail -1l) -print)
which will give you a list of all files in the /dir directory tree which have the same name as the earliest dated text file from De...
How to get the filename without the extension in Java?
...ibrary code where they probably have thought of all special cases, such as what happens if you pass in null or dots in the path but not in the filename, you can use the following:
import org.apache.commons.io.FilenameUtils;
String fileNameWithOutExt = FilenameUtils.removeExtension(fileNameWithExt);...
What exactly does the Access-Control-Allow-Credentials header do?
I'm trying to understand how to use CORS and am confused about what the Access-Control-Allow-Credentials header does.
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JavaScript naming conventions [closed]
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Crockford doesn't go into this level of detail, but what about variables that happen to start with a capital letter, because they refer to an acronym - should the first letter, or the entire acronym be lowercased? Example: ECBhandle vs. ecbHandle (it does not matter what ECB m...