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Select random row from a sqlite table
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Have a look at Selecting a Random Row from an SQLite Table
SELECT * FROM table ORDER BY RANDOM() LIMIT 1;
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How can you set class attributes from variable arguments (kwargs) in python
... constructor (or other function) that takes a variable number of arguments and then sets them as class attributes conditionally.
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Calculate size of Object in Java [duplicate]
... an object takes up for a project (I'm comparing sizes of data structures) and it seems like there is no method to do this in Java. Supposedly, C/C++ has sizeOf() method, but this is nonexistant in Java. I tried recording the free memory in the JVM with Runtime.getRuntime().freeMemory() before a...
Can't install PIL after Mac OS X 10.9
I've just updated my Mac OS to 10.9 and I discovered that some (all?) of my Python modules are not here anymore, especially the Image one.
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Get Substring - everything before certain char
... Some example strings are below. The length of the string before - varies and can be any length
8 Answers
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Execute the setInterval function without delay the first time
...e the setInterval method of javascript to execute the method immediately and then executes with the timer
14 Answers
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Prevent contenteditable adding on ENTER - Chrome
I have a contenteditable element, and whenever I type some stuff and hit ENTER it creates a new <div> and places the new line text in there. I don't like this one little bit.
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How to make CSS3 rounded corners hide overflow in Chrome/Opera
...w: hidden works in simple situations, but breaks in webkit based browsers and Opera when the parent is positioned relatively or absolutely.
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$(document).ready equivalent without jQuery
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There is a standards based replacement,DOMContentLoaded that is supported by over 98% of browsers, though not IE8:
document.addEventListener("DOMContentLoaded", function(event) {
//do work
});
jQuery's native function is much more c...
Not equal != operator on NULL
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<> is Standard SQL-92; != is its equivalent. Both evaluate for values, which NULL is not -- NULL is a placeholder to say there is the absence of a value.
Which is why you can only use IS NULL/IS NOT NULL as predicates for such situ...