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Should import statements always be at the top of a module?
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Module importing is quite fast, but not instant. This means that:
Putting the imports at the top of the module is fine, because it's a trivial cost that's only paid once.
Putting the imports within a function will cause calls to that...
Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
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File extensions for cryptographic certificates aren't really as standardized as you'd expect. Windows by default treats double-clicking a .crt file as a request to import the certificate into the Windows Root Certificate store, but treats a ....
grep without showing path/file:line
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No need to find. If you are just looking for a pattern within a specific directory, this should suffice:
grep -hn FOO /your/path/*.bar
Where -h is the parameter to hide the filename, as from man grep:
-h, --no-filename
Suppress the prefixing of file nam...
Can Maven be made less verbose?
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You can try the -q switch.
-q,--quiet Quiet output - only show errors
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Rename a file using Java
...om http://exampledepot.8waytrips.com/egs/java.io/RenameFile.html
// File (or directory) with old name
File file = new File("oldname");
// File (or directory) with new name
File file2 = new File("newname");
if (file2.exists())
throw new java.io.IOException("file exists");
// Rename file (or di...
Coding Style Guide for node.js apps? [closed]
Is there a (or several) coding style guide for node.js? If not, what are the emerging styles used by the top open-source node projects?
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Relationship between SciPy and NumPy
...ost (but not all [1]) of NumPy's functions in its own namespace. In other words, if there's a function named numpy.foo , there's almost certainly a scipy.foo . Most of the time, the two appear to be exactly the same, oftentimes even pointing to the same function object.
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Is there a way to create your own html tag in HTML5?
...m tag element called <stack>. Here's what you should do...
STEP 1
Normalize its attributes in your CSS Stylesheet (think css reset) -
Example:
stack{display:block;margin:0;padding:0;border:0; ... }
STEP 2
To get it to work in old versions of Internet Explorer, you need to append this s...
Include an SVG (hosted on GitHub) in MarkDown
...laced in a MD with the MD syntax of either  or  , but I am having difficulty placing an SVG in MD where the code is hosted on GitHub.
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difference between foldLeft and reduceLeft in Scala
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Few things to mention here, before giving the actual answer:
Your question doesn't have anything to do with left, it's rather about the difference between reducing and folding
The difference is not the implementation at all, just look at the signatures.
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