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Creating JS object with Object.create(null)?
...or.prototype == Object.prototype while Object.create(null) doesn't inherit from anything and thus has no properties at all.
In other words: A javascript object inherits from Object by default, unless you explicitly create it with null as its prototype, like: Object.create(null).
{} would instead b...
Starting iPhone app development in Linux? [closed]
... signing works fine, I've now got a production app on the store, submitted from the VM. I won't name it for obvious reasons.
– Chaos
Mar 3 '10 at 2:53
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How do I get the application exit code from a Windows command line?
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If you're running directly from a Windows command line and always seeing 0 returned, see Gary's answer: stackoverflow.com/a/11476681/31629
– Ken
Aug 30 '12 at 13:51
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How to determine SSL cert expiration date from a PEM encoded certificate?
...tainer, your expiry_date value will need to have the timezone name removed from the end of it. Add an additional cut to the end of the pipe to do this: | cut -d ' ' -f 1-4
– Droogans
Feb 28 at 10:13
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What are the differences between Autotools, Cmake and Scons?
...ort because it won't honor your sysroot specification and it'll pull stuff from out of your host system. If you break cross-compile support, it renders your code unusable for things like
OpenEmbedded and makes it "fun" for distributions trying to build their releases on a cross-compiler instead of ...
What does “S3 methods” mean in R?
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From http://adv-r.had.co.nz/OO-essentials.html:
R’s three OO systems differ in how classes and methods are defined:
S3 implements a style of OO programming called generic-function OO.
This is different from mo...
Close and Dispose - which to call?
...for classes such as SqlConnection or one of the several classes inheriting from the Stream class does it matter if I close Dispose rather than Close?
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Concurrent vs serial queues in GCD
...le: you have a block that takes a minute to execute. You add it to a queue from the main thread. Let's look at the four cases.
async - concurrent: the code runs on a background thread. Control returns immediately to the main thread (and UI). The block can't assume that it's the only block running ...
Print text instead of value from C enum
..... I'm not sure if the C standard requires compilers to begin enumerations from 0, although most do (I'm sure someone will comment to confirm or deny this).
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When should you not use virtual destructors?
...destructor when any of the below is true:
No intention to derive classes from it
No instantiation on the heap
No intention to store in a pointer of a superclass
No specific reason to avoid it unless you are really so pressed for memory.
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