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Rails 3 - can't install pg gem
..., download typing this in your terminal:
ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
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How to avoid reverse engineering of an APK file?
...erver and device.
When storing values on the device, don't store them in a raw format. For example, if you have a game, and you're storing the amount of in game currency the user has in SharedPreferences. Let's assume it's 10000 coins. Instead of saving 10000 directly, save it using an algorithm lik...
How to convert an int to a hex string?
... can be lower, 'x', or uppercase, 'X', the choice determines if the output letters are upper or lower.):
'{:x}'.format(15)
> f
And now with the new f'' format strings you can do:
f'{15:x}'
> f
To add 0 padding you can use 0>n:
f'{2034:0>4X}'
> 07F2
NOTE: the initial 'f' in f'{15:x...
Auto code completion on Eclipse
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I think adding the Capital letters would be handy. I have added ._@abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
– Md. Abu Nafee Ibna Zahid
Jul 2 '18 at 11:22
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How to develop a soft keyboard for Android? [closed]
...ontains Some special keys like
( France keys ) and it's supported Capital letters and small letters and Number keys
and some Symbols .
package sra.keyboard;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
...
Android and setting width and height programmatically in dp units
...Retrieve a dimensional for a particular resource ID for use as a size
in raw pixels. This is the same as getDimension(int), except the
returned value is converted to integer pixels for use as a size. A
size conversion involves rounding the base value, and ensuring that a
non-zero base value ...
Find (and kill) process locking port 3000 on Mac
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Another tip is to add -P to the lsof command so that the raw port is visible in the output: lsof -P -i:3000
– Jason Axelson
Jul 22 '16 at 2:06
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Regex doesn't work in String.matches()
.../ match
If what you want is indeed to see if an input only has lowercase letters, you can use .matches(), but you need to match one or more characters: append a + to your character class, as in [a-z]+. Or use ^[a-z]+$ and .find().
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jQuery: Get selected element tag name
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Note that the string that's returned is in CAPITAL LETTERS. This'll be a gotcha if you're trying to compare it to "div" or "a" for example.
– Hartley Brody
Apr 29 '14 at 23:41
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An example of how to use getopts in bash
...; exit 0; }. It only accounts for a single whitespace character before the letter option, removes the # from the comment and prepends a '-' before the letter option making it clearer for the command.
– poagester
Oct 5 '16 at 19:55
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