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How to set JAVA_HOME in Linux for all users
I am new to Linux system and there seem to be too many Java folders.
20 Answers
20
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Why is my git repository so big?
...l branches in the new repo:
d1=#original repo
d2=#new repo (must already exist)
cd $d1
for b in $(git branch | cut -c 3-)
do
git checkout $b
x=$(git rev-parse HEAD)
cd $d2
git checkout -b $b $x
cd $d1
done
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How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
I have a div 200 x 200 px. I want to place a 50 x 50 px image right in the middle of the div.
36 Answers
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Check whether a path is valid in Python without creating a file at the path's target
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tl;dr
Call the is_path_exists_or_creatable() function defined below.
Strictly Python 3. That's just how we roll.
A Tale of Two Questions
The question of "How do I test pathname validity and, for valid pathnames, the existence or writability of th...
Convert float to double without losing precision
... as a primitive double. Simply casting the float to double gives me weird extra precision. For example:
10 Answers
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...:
pip install mysql-python
or if not using a virtual environment (on *nix hosts):
sudo pip install mysql-python
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...hrough of how I solved this in my in-app purchase library RMStore. I will explain how to verify a transaction, which includes verifying the whole receipt.
At a glance
Get the receipt and verify the transaction. If it fails, refresh the receipt and try again. This makes the verification process asy...
PHP Function with Optional Parameters
... take a look at Walf's answer to a similar question and the more in-depth example in the same thread
– DJDave
Mar 16 '16 at 13:07
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How to automatically generate a stacktrace when my program crashes
I am working on Linux with the GCC compiler. When my C++ program crashes I would like it to automatically generate a stacktrace.
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IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”
... the Android Platform away from 1st in the classpath, I get the following exception: Class not found: "com.example.intellijgradletest.MainActivityTest"
– Heath Borders
Feb 4 '14 at 15:38
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