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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
...e, when I put test my code using the main method, it works seamlessly. However, when trying to access it through Tomcat 7, it fails with error:
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How can I generate a unique ID in Python? [duplicate]
I need to generate a unique ID based on a random value.
8 Answers
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Are the days of passing const std::string & as a parameter over?
... a recent talk by Herb Sutter who suggested that the reasons to pass std::vector and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable:
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SQL select join: is it possible to prefix all columns as 'prefix.*'?
I'm wondering if this is possible in SQL. Say you have two tables A and B, and you do a select on table A and join on table B:
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Move entire line up and down in Vim
In Notepad++, I can use Ctrl + Shift + Up / Down to move the current line up and down. Is there a similar command to this in Vim? I have looked through endless guides, but have found nothing.
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Convert one date format into another in PHP
...econd parameter to date() needs to be a proper timestamp (seconds since January 1, 1970). You are passing a string, which date() can't recognize.
You can use strtotime() to convert a date string into a timestamp. However, even strtotime() doesn't recognize the y-m-d-h-i-s format.
PHP 5.3 and up
U...
Stop and Start a service via batch or cmd file?
...art a service reliably with error checking (or let me know that it wasn't successful for whatever reason)?
15 Answers
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lexers vs parsers
... lexers have in common:
They read symbols of some alphabet from their input.
Hint: The alphabet doesn't necessarily have to be of letters. But it
has to be of symbols which are atomic for the language
understood by parser/lexer.
Symbols for the lexer: ASCII characters.
Symbols for the parser: th...
How to get the directory of the currently running file?
In nodejs I use __dirname . What is the equivalent of this in Golang?
10 Answers
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