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MySQL - Make an existing Field Unique
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ALTER IGNORE TABLE mytbl ADD UNIQUE (columnName);
For MySQL 5.7.4 or later:
ALTER TABLE myt...
Unicode equivalents for \w and \b in Java regular expressions?
...ious other properties, too. It now tracks The Unicode Standard, in both RL1.2 and RL1.2a from UTS#18: Unicode Regular Expressions. This is an exciting and dramatic improvement, and the development team is to be commended for this important effort.
Java’s Regex Unicode Problems
The problem wit...
How to remove certain characters from a string in C++?
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PDOException SQLSTATE[HY000] [2002] No such file or directory
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How to define servlet filter order of execution using annotations in WAR
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You can indeed not define the filter execution order using @WebFilter annotation. However, to ...
What are “sugar”, “desugar” terms in context of Java 8?
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sugar, in programming, usually refers to those sweet additions, mostly shortcuts, that make so...
Git resolve conflict using --ours/--theirs for all files
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Just grep through the working directory and send the output through the xargs command:
grep -lr...
Changing user agent on urllib2.urlopen
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Setting the User-Agent from everyone's favorite Dive Into Python.
The short story: You can use ...
Efficient evaluation of a function at every cell of a NumPy array
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You could just vectorize the function and then apply it directly to a Numpy array each time yo...