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How can I convert a DateTime to the number of seconds since 1970?
...e, there's a really convenient feature:
long unixSeconds = DateTimeOffset.Now.ToUnixTimeSeconds();
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apc vs eaccelerator vs xcache
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Success. It's 3 years old now. Ewwww.
– Swader
Nov 30 '13 at 13:19
3
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Finish an activity from another activity
...ect like this,
public static Activity fa;
onCreate()
{
fa = this;
}
now use that object in another Activity to finish first-activity like this,
onCreate()
{
FirstActivity.fa.finish();
}
SECOND WAY
While calling your activity FirstActivity which you want to finish as soon as you move o...
textarea's rows, and cols attribute in CSS
... thing about doing it the CSS way is that you can completely style it up. Now you can add things like:
textarea{
width:400px;
height:100px;
border:1px solid #000000;
background-color:#CCCCCC;
}
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What is memoization and how can I use it in Python?
... return k * factorial(k - 1)
factorial = Memoize(factorial)
A feature known as "decorators" was added in Python 2.4 which allow you to now simply write the following to accomplish the same thing:
@Memoize
def factorial(k):
if k < 2: return 1
return k * factorial(k - 1)
The Python D...
OSX - How to auto Close Terminal window after the “exit” command executed.
When I'm done with Terminal, I want to exit it. Right now, I have three options:
14 Answers
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Why should a Java class implement comparable?
...m.add(3);
m.add(2);
for (Integer i : m)
... // values will be sorted
But now suppose I have some custom object, where sorting makes sense to me, but is undefined. Let's say, I have data representing districts by zipcode with population density, and I want to sort them by density:
public class Dis...
How to concatenate items in a list to a single string?
...
It's very useful for beginners to know
why join is a string method.
It's very strange at the beginning, but very useful after this.
The result of join is always a string, but the object to be joined can be of many types (generators, list, tuples, etc).
.jo...
Visual Studio 2012 - Intellisense sometimes disappearing / broken
My colleagues and I are using VS2012 for some weeks now. Sometimes after working several hours the intellisense is broken. After closing all open tabs it works again.
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Hard reset of a single file
...low command will get MyFile two commits previous to the last one. You need now the -s (--source) option since now you use master~2 and not master (the default) as you restore source:
git restore -s master~2 pathTo/MyFile
You can also get the file from other branch!
git restore -s my-feature-bran...