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Finding the number of days between two dates
... Forget leap seconds (no, actually consider those too) but this does NOT account for Daylight Saving Time changes! It can be off by an entire day over those boundaries every year. You need to use the DateTime classes.
– Levi
Dec 4 '12 at 3:34
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BigDecimal - to use new or valueOf
I came across two ways of getting BigDecimal object out of a double d.
3 Answers
3
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Sending a message to nil in Objective-C
As a Java developer who is reading Apple's Objective-C 2.0 documentation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
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Why do objects of the same class have access to each other's private data?
Why do objects of the same class have access to each other's private data?
7 Answers
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Django Template Variables and Javascript
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The {{variable}} is substituted directly into the HTML. Do a view source; it isn't a "variable" or anything like it. It's just rendered text.
Having said that, you can put this kind of substitution into your JavaScript.
<script type="text/javascript">
var a = "{{someDj...
How can I iterate over an enum?
...meant to be skipped by the iteration. Utilizing this "fake" Last enum, you don't have to update your terminating condition in the for loop to the last "real" enum each time you want to add a new enum.
If you want to add more enums later, just add them before Last. The loop in this example will still...
Getting root permissions on a file inside of vi? [closed]
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% is replaced with the current file name, thus you can use:
:w !sudo tee %
(vim will detect that the file has been changed and ask whether you want to it to be reloaded. Say yes by choosing [L] rather than OK.)
As a shortcut, you can define your own command. Put the following in your .vi...
How to change the color of a CheckBox?
How do I change the default CheckBox color in Android?
By default the CheckBox color is green, and I want to change this color.
If it is not possible please tell me how to make a custom CheckBox ?
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How do iOS Push Notifications work?
How do iOS "push" notifications get delivered to a particular device without that device needing to poll a server?
6 Answer...
C++ wait for user input [duplicate]
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Several ways to do so, here are some possible one-line approaches:
Use getch() (need #include <conio.h>).
Use getchar() (expected for Enter, need #include <iostream>).
Use cin.get() (expected for Enter, need #include <iostr...