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lose vim colorscheme in tmux mode
...im does not show up. Only the color scheme I've set in iterm. If I run vim from shell the colorscheme appears correct - its only when I'm in tmux mode.
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Which $_SERVER variables are safe?
...ues that the user controls and you need to be aware of where a value comes from and hence whether it can be trusted for a certain purpose. $_SERVER['HTTP_FOOBAR'] for example is entirely safe to store in a database, but I most certainly wouldn't eval it.
As such, let's divide those values into thre...
Read String line by line
.... Just because the code is running on (e.g.) Unix, what's to stop the file from having Windows-style "\r\n" line separators? BufferedReader.readLine() and Scanner.nextLine() always check for all three styles of separator.
– Alan Moore
Jul 9 '09 at 6:25
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Creating folders inside a GitHub repository without using Git
...fter searching a lot I find out that it is possible to create a new folder from the web interface, but it would require you to have at least one file within the folder when creating it.
When using the normal way of creating new files through the web interface, you can type in the folder into the fi...
Reduce git repository size
...be also used after a filter-branch, to mark some directories to be removed from the history (with a further gain of space); see here. But that means nobody is pulling from your public repo. filter-branch can keep backup refs in .git/refs/original, so that directory can be cleaned too.
Finally, as ...
How was the first compiler written?
...s quite possible to write a program in opcodes directly by looking them up from a table (such as this one for the 6039 microprocessor, for example) that lists them with the matching assembly instructions, and hand-determining memory addresses/offsets for things like jumps.
The first programs were d...
Cannot push to Git repository on Bitbucket
...g the SSH issue as fast as possible
This is a set of instructions derived from the URL linked to by VonC. It was modified to be as resilient and succinct as possible.
Don't type the $ or any lines that do not begin with $ (the $ means this is something you type into GitBash).
Open GitBash
Set ...
Can hash tables really be O(1)?
...xpected worst case time if you pick your hash function uniformly at random from a universal family of hash functions. Expected worst case is not the same as average case.
Disclaimer: I don't formally prove hash tables are O(1), for that have a look at this video from coursera [1]. I also don't disc...
Why doesn't the JVM cache JIT compiled code?
The canonical JVM implementation from Sun applies some pretty sophisticated optimization to bytecode to obtain near-native execution speeds after the code has been run a few times.
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What is “above-the-fold content” in Google Pagespeed?
... were a couple of things I could do nothing about such as the query string from web fonts. I was very happy with this as this represented all that I could do.
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