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Extract a regular expression match
..."aaa12456xxx",test,test+attr(test,"match.length")-1)
I'm sure there is a more elegant way to do this, but this was the fastest way I could find. Alternatively, you can use sub/gsub to strip out what you don't want to leave what you do want.
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SQL injection that gets around mysql_real_escape_string()
...kka, Although the usual example is DROP TABLE, in practice the attacker is more likely to SELECT passwd FROM users. In the latter case, the second query is usually executed by use of a UNION clause.
– Jacco
May 21 '12 at 9:47
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Why are primes important in cryptography?
...1) are made up of primes, so you deal with primes a lot in number theory.
More specifically, some important cryptographic algorithms such as RSA critically depend on the fact that prime factorization of large numbers takes a long time. Basically you have a "public key" consisting of a product of tw...
How to get height of entire document with JavaScript?
... before the document is ready will always result in a 0. Also, if you load more stuff in, or the user resizes the window, you may need to re-test. Use onload or a document ready event if you need this at load time, otherwise just test whenever you need the number.
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...NSUInteger count;
or (if you are sure that your array will never contain more than 2^31-1 elements!),
add an explicit cast:
int count = (int)[myColors count];
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Loop code for each file in a directory [duplicate]
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Is the $files variable used to avoid calling scandir() more than once in the foreach loop? Or can I embed it directly without any side effects?
– Zero3
May 10 '15 at 15:57
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Java: Best way to iterate through a Collection (here ArrayList)
...em.out.println(temp);
});
or
collection.forEach(System.out::println);
More information about Java 8 stream and collections for wonderers link
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How do I get the row count of a pandas DataFrame?
...fter my filtering. With len() the editing of the command-line becomes much more cumbersome, going back and forth.
– K.-Michael Aye
Feb 25 '14 at 4:51
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Difference between GeoJSON and TopoJSON
...imary advantage of TopoJSON is size. By eliminating redundancy and using a more efficent fixed-precision integer encoding of coordinates, TopoJSON files are often an order of magnitude smaller than GeoJSON files. The secondary advantage of TopoJSON files is that encoding the topology has useful appl...