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SET NAMES utf8 in MySQL?
...fault talks latin1
your hole app is in utf8
connection is made without any extra (so: latin1) (no SET NAMES utf8 ..., no set_charset() method/function)
Store and read data is no problem as long mysql can handle the characters.
if you look in the db you will already see there is crap in it (e.g.us...
How to generate a random alpha-numeric string?
...ng for a simple Java algorithm to generate a pseudo-random alpha-numeric string. In my situation it would be used as a unique session/key identifier that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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When is CRC more appropriate to use than MD5/SHA1?
...they have:
some security issues when you care about security
longer hash string and are slower than "crc32b" when all you need is CRC
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How do I check that a Java String is not all whitespaces?
I want to check that Java String or character array is not just made up of whitespaces, using Java?
15 Answers
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Unioning two tables with different number of columns
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For the null value, this hack worked for me: 'SomeString' as DummyColumn. Basically, you just replace NULL with some value. This also worked when used with groupby.
– Saurabh Jain
Feb 27 at 6:27
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Regex lookahead, lookbehind and atomic groups
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Examples
Given the string foobarbarfoo:
bar(?=bar) finds the 1st bar ("bar" which has "bar" after it)
bar(?!bar) finds the 2nd bar ("bar" which does not have "bar" after it)
(?<=foo)bar finds the 1st bar ("bar" which has "foo" be...
Callback functions in C++
...above
#include <type_traits>
#include <typeinfo>
#include <string>
#include <memory>
#include <cxxabi.h>
template <class T>
std::string type_name()
{
typedef typename std::remove_reference<T>::type TR;
std::unique_ptr<char, void(*)(void*)> own
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What's the point of malloc(0)?
...ht_be_zero) perhaps could have their uses, although again you have to take extra care not to treat a NULL return as a failure if the value is 0, but a 0 size is supposed to be OK.
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Removing all non-numeric characters from string in Python
How do we remove all non-numeric characters from a string in Python?
7 Answers
7
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How to capitalize the first letter in a String in Ruby
The upcase method capitalizes the entire string, but I need to capitalize only the first letter.
8 Answers
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