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How to compare two NSDates: Which is more recent?
...answered May 11 '11 at 13:32
Nick WeaverNick Weaver
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string
...s evenly spaced 1s at positions 2, 5, and 8.
Scan S left to right, and make a list L of positions of 1. For the S=110110010 above, we have the list L = [1, 2, 4, 5, 8]. This step is O(n). The problem is now to find an arithmetic progression of length 3 in L, i.e. to find distinct a, b, c in L such...
How can I convert a Unix timestamp to DateTime and vice versa?
There is this example code, but then it starts talking about millisecond / nanosecond problems.
19 Answers
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Check if $_POST exists
I'm trying to check whether a $_POST exists and if it does, print it inside another string, if not, don't print at all.
14 ...
Comparing date part only without comparing time in JavaScript
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I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the two dates.
For example,
date1 = new Date()
date...
Python - Check If Word Is In A String
I'm working with Python v2, and I'm trying to find out if you can tell if a word is in a string.
11 Answers
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How to ignore a property in class if null, using json.net
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As per James Newton King: If you create the serializer yourself rather than using JavaScriptConvert there is a NullValueHandling property which you can set to ignore.
Here's a sample:
JsonSerializer _jsonWriter = new JsonSerializer {
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Controller not a function, got undefined, while defining controllers globally
...pp', []).controller('ContactController', ContactController);
It is a breaking change but it can be turned off to use globals by using allowGlobals.
Example:-
angular.module('app')
.config(['$controllerProvider', function($controllerProvider) {
$controllerProvider.allowGlobals();
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setup.py examples?
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Complete walkthrough of writing setup.py scripts here. (with some examples)
If you'd like a real-world example, I could point you towards the setup.py scripts of a couple major projects. Django's is here, pyglet's is here. You can just ...
Why is volatile needed in C?
...ting the command starts the action:
gadget->command = command;
}
Looks easy, but it can fail because the compiler is free to change the order in which data and commands are written. This would cause our little gadget to issue commands with the previous data-value. Also take a look at the wait...
