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How to install psycopg2 with “pip” on Python?
...s. Below are solutions for Linux, Mac users, since lots of them find this post through web searches.
Option 1
Install the psycopg2-binary PyPI package instead, it has Python wheels for Linux and Mac OS.
pip install psycopg2-binary
Option 2
Install the prerequsisites for building the psycop...
git pull error :error: remote ref is at but expected
...are running git under a file system that is not case sensitive (Windows or OS X) this will occur if there are two branches with the same name but different capitalisation, e.g. user_model_changes and User_model_changes as both of the remote branches will match the same tracking ref.
Delete the wron...
How to increase IDE memory limit in IntelliJ IDEA on Mac?
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On Mac OS X 10.8.3 and IntelliJ IDEA Ultimate 12.1.4 the correct command was $ cp -i /Applications/IntelliJ\ IDEA\ 12.app/bin/idea.vmoptions ~/Library/Preferences/IntelliJIdea12/. This matches the latest IDEA configuration docs at ...
How to check if a process id (PID) exists
...kill to just check if a signal could be sent to the process, which is for most purposes more or less equivalent to checking if it exists. See linux.die.net/man/2/kill and linux.die.net/man/7/signal
– Christoffer Hammarström
Jun 15 '10 at 10:58
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How to install Java 8 on Mac
...the latest JavaFX, which requires Java 8. I'm using IntelliJ 13 CE and Mac OS X 9 Mavericks. I ran Oracle's Java 8 installer, and the files look like they ended up at
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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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Print a file, skipping the first X lines, in Bash [duplicate]
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Or "tail --lines=+<LinesToSkip> ..." for the readable-commands crowd :-)
– paxdiablo
Mar 3 '09 at 2:34
28
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How to download and save a file from Internet using Java?
...Channel rbc = Channels.newChannel(website.openStream());
FileOutputStream fos = new FileOutputStream("information.html");
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
Using transferFrom() is potentially much more efficient than a simple loop that reads from the source channel and writes ...
What are best practices for validating email addresses on iOS 2.0
...at is the cleanest way to validate an email address that a user enters on iOS 2.0?
13 Answers
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How to split a file into equal parts, without breaking individual lines? [duplicate]
I was wondering if it was possible to split a file into equal parts ( edit: = all equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole li...