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Python in Xcode 4+?
How does one create a Python friendly environment in Xcode 4, 5, 6 or 7?
8 Answers
8
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How to create id with AUTO_INCREMENT on Oracle?
It appears that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g.
16 Answers
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Performance of Java matrix math libraries? [closed]
We are computing something whose runtime is bound by matrix operations. (Some details below if interested.) This experience prompted the following question:
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How do you use an identity file with rsync?
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You may want to use ssh-agent and ssh-add to load the key into memory. ssh will try identities from ssh-agent automatically if it can find them. Commands would be
eval $(ssh-agent) # Create agent and environment variables
ssh-add ~/.ssh/1234-identity
ssh-agent is a user daemon which ...
How to check if there's nothing to be committed in the current branch?
...s --other --exclude-standard --directory | egrep -v '/$'
The -v to egrep means to only output lines that don't match the pattern, and the pattern matches any line that ends with a /.
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android ellipsize multiline textview
...uld prefer. Note that there is a listener to notify you when the text becomes ellipsized, which I found quite useful myself.
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.graphics.Canvas;
import android.text.Layout;
import android.text.Layout.Al...
Changing three.js background to transparent or other color
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I came across this when I started using three.js as well. It's actually a javascript issue. You currently have:
renderer.setClearColorHex( 0x000000, 1 );
in your threejs init function. Change it to:
renderer.setClearColorHex...
Easiest way to detect Internet connection on iOS?
...by WWAN etc. For a very simply check of network reachability, you can do something like this
Reachability *networkReachability = [Reachability reachabilityForInternetConnection];
NetworkStatus networkStatus = [networkReachability currentReachabilityStatus];
if (networkStatus == NotReachable...
Using the scrollwheel in GNU screen
...to detach from your screen, then screen -d -r to reattach, then ls a few times, and try to scroll back. It works for me.
What is this magic? Well, let's consult the manual pages.
screen(1) says:
termcapinfo term terminal-tweaks [window-tweaks]
[..]
The first argument specifies which termin...
Hashset vs Treeset
...diness of them. However, every software engineer I've ever known has asked me pointedly why I would use a TreeSet . From a CS background, I don't think it matters all that much which you use, and I don't care to mess around with hash functions and buckets (in the case of Java ).
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