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What are the best practices for using a GUID as a primary key, specifically regarding performance?
... to use the GUIDs as the Primary Keys, but I was thinking of using a Composite Primary Key (The GUID and maybe another field.)
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MySQL: Large VARCHAR vs. TEXT?
...ssage types (all integer types) I need to save the actual message text as either VARCHAR or TEXT. I'm setting a front-end limit of 3000 characters which means the messages would never be inserted into the db as longer than this.
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Create a hexadecimal colour based on a string with JavaScript
...generate a hexadecimal value between #000000 and #FFFFFF , so I can use it as a colour for a HTML element.
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Gulps gulp.watch not triggered for new or deleted files?
The following Gulpjs task works fine when editing files in the glob match:
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How do you round a floating point number in Perl?
...t int() merely truncates toward 0. For rounding to a certain number of digits, sprintf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other ma...
SSH library for Java [closed]
... Channel (JSCH) is a very popular library, used by maven, ant and eclipse. It is open source with a BSD style license.
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What exactly are late static bindings in PHP?
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You definitely need to read Late Static Bindings in the PHP manual. However, I'll try to give you a quick summary.
Basically, it boils down to the fact that the self keyword does not follow the same rules of inheritance. self alway...
Stop the 'Ding' when pressing Enter
...u press Enter while inside a Single-line TextBox Control, you hear a Ding. It's an unpleasent sound, that indicated you cannot enter a newline, because it is a single-line TextBox.
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What does do?
What's the difference if one web page starts with
12 Answers
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Why are C character literals ints instead of chars?
In C++, sizeof('a') == sizeof(char) == 1 . This makes intuitive sense, since 'a' is a character literal, and sizeof(char) == 1 as defined by the standard.
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