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Is floating point math broken?
... floating-point arithmetic issues is What Every Computer Scientist Should Know About Floating-Point Arithmetic. For an easier-to-digest explanation, see floating-point-gui.de.
Side Note: All positional (base-N) number systems share this problem with precision
Plain old decimal (base 10) numbers ha...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...n you need a true source code parser (like semantic), otherwise you won't know the types of the objects (for instance) in your applications and the methods that can be invoked on them. You can have an autocompletion based on many different sources, but to get the best results you'll ultimately need ...
Put buttons at bottom of screen with LinearLayout?
...1". With this your LinearLayout will occupy the height left on the screen; now you can set the gravity of your Buttons to bottom.
– Ahmad
Feb 8 '13 at 19:18
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What's the opposite of head? I want all but the first N lines of a file
Given a text file of unknown length, how can I read, for example all but the first 2 lines of the file? I know tail will give me the last N lines, but I don't know what N is ahead of time.
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What is the best Distributed Brute Force countermeasure?
...d be users without persistent login cookies who were logging in from an unknown location or with a dynamic IP. Those users would be unable to login until the throttling wore off (which could potentially take a while, if the attacker kept his botnet running despite the throttling).
To allow this sma...
How do I pronounce “=>” as used in lambda expressions in .Net
...he first time you say it, that what you mean is "the lambda operator, you know, equals-sign-greater-than".
– Steve Jessop
Nov 8 '08 at 12:02
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Where do you store your salt strings?
...g the calculations for brute-forcing the hash), thus the argument that by knowing the salt someone could "generate a rainbow table" is spurious.
There's no real point in storing salts in a separate file as long as they're on a per-user basis - the point of the salt is simply to make it so that one ...
What is the difference between the kernel space and the user space?
...ernel space in order to stop the users from messing up with the kernel, unknowingly.
So, when a system call occurs, a software interrupt is sent to the kernel. The CPU may hand over the control temporarily to the associated interrupt handler routine. The kernel process which was halted by the inter...
Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...an AnimatorSet and ObjectAnimators for all of these, though this works for now)
(it is also possible that the middleWidth ObjectAnimator negates the value of the hardware layer, since that requires fairly continuous invalidation)
(it is definitely possible that I still have gaps in my animation co...
Just what is Java EE really? [closed]
...ely installable as packages. Perhaps one day many or even all classes that now make up Java EE will be such package as well. Time will tell.
Why are there so many Java EE offerings when there is really only two main flavors of standard Java (Oracle JVM/SDK | OpenJDK JVM/JDK)?
There are more than j...