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Should I use the Reply-To header when sending emails as a service to others?
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answered Jan 18 '11 at 20:01
dkarpdkarp
13.4k55 gold badges5353 silver badges6262 bronze badges
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Create Directory if it doesn't exist with Ruby
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answered Oct 9 '13 at 19:08
zrl3dxzrl3dx
7,08833 gold badges2222 silver badges3333 bronze badges
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Is it safe to ignore the possibility of SHA collisions in practice?
...han 2n/2). For instance, with SHA-256 (n=256) and one billion messages (p=109) then the probability is about 4.3*10-60.
A mass-murderer space rock happens about once every 30 million years on average. This leads to a probability of such an event occurring in the next second to about 10-15. That's 4...
“icon-bar” in twitter bootstrap navigation bar
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130
icon-bar is used for responsive layouts to create a button that looks like ≡ on narrow browser...
What is the difference between object keys with quotes and without quotes?
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answered Dec 3 '10 at 18:10
bdukesbdukes
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getSupportActionBar from inside of Fragment ActionBarCompat
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290
After Fragment.onActivityCreated(...) you'll have a valid activity accessible through getActivit...
How to Create a circular progressbar in Android which rotates on it?
...le file (@drawable folder): circular_progress_bar.xml
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:fromDegrees="270"
android:toDegrees="270">
<shape
android:innerRadiusRatio="2.5"
android...
Convert hex string to int in Python
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1130
Without the 0x prefix, you need to specify the base explicitly, otherwise there's no way to tell...
Why prefer two's complement over sign-and-magnitude for signed numbers?
..., 2 and -1. In your "intuitive" way of representing numbers, they would be 0010 and 1001, respectively (I'm sticking to 4 bits for size). In the two's complement way, they are 0010 and 1111. Now, let's say I want to add them.
Two's complement addition is very simple. You add numbers normally and an...
How to get all child inputs of a div element (jQuery)
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308
Use it without the greater than:
$("#panel :input");
The > means only direct children of ...