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Can't push to GitHub because of large file which I already deleted
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You can use
git filter-branch --index-filter 'git rm -r --cached --ignore-unmatch <file/dir>' HEAD
This will delete everything in the history of that file. The problem is that the file is present in the history.
This command changes...
The definitive guide to form-based website authentication [closed]
...iven the perceived (though now avoidable) cost and technical difficulty of setting up an SSL certificate on your website, some developers are tempted to roll their own in-browser hashing or encryption schemes in order to avoid passing cleartext logins over an unsecured wire.
While this is a noble th...
How to install Boost on Ubuntu
...libicu-dev build-essential libbz2-dev libboost-all-dev
Boost's bootstrap setup:
./bootstrap.sh --prefix=/usr/
Then build it with:
./b2
and eventually install it:
sudo ./b2 install
share
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CMake: Project structure with unit tests
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Where is TEST_SOURCE_DIR set?
– aggsol
Jul 21 '16 at 9:41
6
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javac : command not found
...hich java)
In my case:
/usr/java/jdk1.8.0_241-amd64/jre/bin/java
So I set following in .bashrc to:
export JAVA_HOME=/usr/java/jdk1.8.0_241-amd64/jre/bin/java
export JAVAC_HOME=/usr/java/jdk1.8.0_241-amd64/bin/javac
export PATH=$PATH:/usr/java/jdk1.8.0_241-amd64/jre/bin
export PATH=$PATH...
How can I add the sqlite3 module to Python?
...ll me how to install the sqlite3 module alongside the most recent version of Python?
I am using a Macbook, and on the command line, I tried:
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namedtuple and default values for optional keyword arguments
...>> Node()
Node(val=None, left=None, right=None)
Before Python 3.7
Set Node.__new__.__defaults__ to the default values.
>>> from collections import namedtuple
>>> Node = namedtuple('Node', 'val left right')
>>> Node.__new__.__defaults__ = (None,) * len(Node._field...
Thread context switch Vs. process context switch
...oming thread runs in another process, kernel performs one additional step: sets new active virtual address space.
The main cost in both scenarios is related to a cache pollution. In most cases, the working set used by the outgoing thread will differ significantly from working set which is used by t...
What is the difference between “instantiated” and “initialized”?
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To initialize something is to set it to its initial value. To instantiate something is to create an instance of it.
Often this is the more or less same thing. This:
SqlConnection conn = new SqlConnection();
instantiates a SqlConnection object, and i...
Remove HTML tags from a String
Is there a good way to remove HTML from a Java string? A simple regex like
33 Answers
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