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Creating temporary files in bash
... temporary directory using the same naming scheme. While
this does allow one to guarantee that a temporary file will not be
subverted, it still allows a simple denial of service attack. For
these reasons it is suggested that mktemp be used instead.
In a script, I invoke mktemp something lik...
How does node.bcrypt.js compare hashed and plaintext passwords without the salt?
...t: salt is stored with the hash. bcrypt is open source, so this means everyone knows how exactly it stores it. So you know how to extract it, or how to generate hash from plain text password. How does this help to protect passwords against scanning rainbow tables for hashes, which is basically the m...
Set a path variable with spaces in the path in a Windows .cmd file or batch file
I'm new to script writing and can't get this one to work. I could if I moved the files to a path without a space in it, but I'd like it to work with the space if it could.
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Resizing an iframe based on content
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This solution, as all the other ones I tried, works only if the height increases, if from a tall page you navigate to a shorter one, the height is still set according to the height of the first one. Did anyone find a solution for this problem?
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Calculating sum of repeated elements in AngularJS ng-repeat
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one downside to this is that it iterates over the collection twice. this is fine for small collections, but what if the collection is rather large? it seems like in ng-repeat there should be a way to have a running sum on a...
When to use “new” and when not to, in C++? [duplicate]
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+1 nice one. just remember the first one can be written as Point p(0, 0); too. the = .. syntax may make him think that p is somehow a pointer that's assigned something.
– Johannes Schaub - litb
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Add number of days to a date
...JJRohrer no, it won't. strtotime will take any DST for the configured timezone into account. DST is only an issue when you do something like this OP: stackoverflow.com/questions/4066035
– Gordon
Jul 23 '14 at 16:51
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INSERT with SELECT
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Of course you can.
One thing should be noted however: The INSERT INTO SELECT statement copies data from one table and inserts it into another table AND requires that data types in source and target tables match. If data types from given table c...
Union of dict objects in Python [duplicate]
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This question provides an idiom. You use one of the dicts as keyword arguments to the dict() constructor:
dict(y, **x)
Duplicates are resolved in favor of the value in x; for example
dict({'a' : 'y[a]'}, **{'a', 'x[a]'}) == {'a' : 'x[a]'}
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String contains - ignore case [duplicate]
...ualsIgnoreCase(String).
A null CharSequence will return false.
This one will be better than regex as regex is always expensive in terms of performance.
For official doc, refer to : StringUtils.containsIgnoreCase
Update :
If you are among the ones who
don't want to use Apache commons lib...