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cd into directory without having permission
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156
@user812954's answer was quite helpful, except I had to do this this in two steps:
sudo su
cd...
Unicode, UTF, ASCII, ANSI format differences
What is the difference between the Unicode , UTF8 , UTF7 , UTF16 , UTF32 , ASCII , and ANSI encodings?
2 Answers
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C++ include and import difference
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61
#import is a Microsoft-specific thing, apparently for COM or .NET stuff only.
#include is a sta...
Add EBS to Ubuntu EC2 Instance
...ed to format the EBS volume (block device) with a file system between step 1 and step 2. So the entire process with your sample mount point is:
Create EBS volume.
Attach EBS volume to /dev/sdf (EC2's external name for this particular device number).
Format file system /dev/xvdf (Ubuntu's internal ...
HMAC-SHA1 in bash
Is there a bash script to generate a HMAC-SHA1 hash?
4 Answers
4
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How to export plots from matplotlib with transparent background?
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186
Use the matplotlib savefig function with the keyword argument transparent=True to save the ima...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
The 'Wat' talk for CodeMash 2012 basically points out a few bizarre quirks with Ruby and JavaScript.
5 Answers
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How to provide different Android app icons for different gradle buildTypes?
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162
Figured it out. What you need to do is create a separate src folder called debug that holds th...
How to check if an intent can be handled from some activity?
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150
edwardxu's solution works perfectly for me.
Just to clarify a bit:
PackageManager packageMan...
Adding up BigDecimals using Streams
...al>.
Turn it into a Stream<BigDecimal>
Call the reduce method.
3.1. We supply an identity value for addition, namely BigDecimal.ZERO.
3.2. We specify the BinaryOperator<BigDecimal>, which adds two BigDecimal's, via a method reference BigDecimal::add.
Updated answer, after edit
I ...