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How to get a password from a shell script without echoing
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Some shells allow you to specify the prompt for the read command: read -s -p "Password:" password
– Gordon Davisson
Oct 20 '10 at 19:40
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Writing a pandas DataFrame to CSV file
...the sep argument of to_csv:
df.to_csv(file_name, sep='\t')
To use a specific encoding (e.g. 'utf-8') use the encoding argument:
df.to_csv(file_name, sep='\t', encoding='utf-8')
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Is there any way to close a StreamWriter without closing its BaseStream?
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If you are using .NET Framework 4.5 or later, there is a StreamWriter overload using which you can ask the base stream to be left open when the writer is closed.
In earlier versions of .NET Framework prior to 4.5, StreamWri...
How do I load a PHP file into a variable?
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I suppose you want to get the content generated by PHP, if so use:
$Vdata = file_get_contents('http://YOUR_HOST/YOUR/FILE.php');
Otherwise if you want to get the source code of the PHP file, it's the same as a .txt file:
$Vdata = file_get_contents('path/to/YOUR/FILE.php');
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How do I get the file extension of a file in Java?
...n from Apache Commons IO
Here is an example of how to use it (you may specify either full path or just file name):
String ext1 = FilenameUtils.getExtension("/path/to/file/foo.txt"); // returns "txt"
String ext2 = FilenameUtils.getExtension("bar.exe"); // returns "exe"
Maven dependency:
<depe...
How to check if element exists using a lambda expression?
Specifically, I have TabPane, and I would like to know if there is element with specific ID in it.
3 Answers
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Hashset vs Treeset
...t.
It's quite safe to accept default load factor but you may want to specify an initial capacity that's about twice the size to which you expect the set to grow.
TreeSet
guarantees log(n) time cost for the basic operations (add, remove and contains)
guarantees that elements of set will be sor...
XmlSerializer giving FileNotFoundException at constructor
...mal behaviour. An exception is thrown but handled by the XmlSerializer, so if you just ignore it everything should continue on fine.
I have found this very annoying, and there have been many complaints about this if you search around a bit, but from what I've read Microsoft don't plan on doing anyt...
Does MS SQL Server's “between” include the range boundaries?
...ETWEEN operator is inclusive.
From Books Online:
BETWEEN returns TRUE if the value of
test_expression is greater than or
equal to the value of begin_expression
and less than or equal to the value of
end_expression.
DateTime Caveat
NB: With DateTimes you have to be careful; if only a ...
Insert text into textarea with jQuery
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How about if the result is coming from a PHP page and handled by jQuery? (in between data is transmitted using Json)
– Abu Rayane
Apr 1 '16 at 6:31
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