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What is the difference between typeof and instanceof and when should one be used vs. the other?
...ol".
console.log(typeof Symbol());
// expected output: "symbol"
You can read about it on MDN: (Symbol, typeof).
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What is the difference between 'log' and 'symlog'?
...lt size: [8., 6.]
(If you are unsure about me answering my own question, read this)
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in iPhone App How to detect the screen resolution of the device
...iplying by the screen's scale you get the actual pixel resolution.
A good read on the difference between points and pixels in iOS can be read here.
EDIT: (Version for Swift)
let screenBounds = UIScreen.main.bounds
let screenScale = UIScreen.main.scale
let screenSize = CGSize(width: screenBounds.s...
git selective revert local changes from a file
... I had that error a few times if the file had been patched already, and so the interactive patch was out of date with the current file's applied patches. It happened when using a gui tool like source tree if I discarded a hunk twice accidentally. The second time would produce that er...
When to use a linked list over an array/array list?
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LinkedLists do have O(1) inserts if you already happen to be in the location of the insertion (via an iterator). Not always, though.
– Adam
Jan 24 '12 at 6:14
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Why is semicolon allowed in this python snippet?
...you would mean the other way. So, to clarify, I would rather suggest other readers to stick with the official phrase: in that if cond: stmt1; stmt2; stmt3 example, either all or none of the statements are executed".
– RayLuo
Sep 30 '16 at 21:00
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URL Encoding using C#
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this answer is out of date now. read a few answers below - as of .net45 this might be the correct solution: msdn.microsoft.com/en-us/library/…
– blueberryfields
Jan 7 '15 at 17:20
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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...m>
(note that process attribute is omitted as that defaults to @form already)
Whilst that may work fine, the update of input and command components is in this particular example unnecessary. Unless you change the model values foo and bar inside action method (which would in turn be unintuitive i...
What is this 'Lambda' everyone keeps speaking of?
...hin the pipes is the parameter. I'm one of these people who have a trouble reading ruby.
– Skurmedel
Jul 6 '09 at 10:48
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Is gettimeofday() guaranteed to be of microsecond resolution?
...ad Timing for Intel Processors
If you're on Intel hardware, here's how to read the CPU real-time instruction counter. It will tell you the number of CPU cycles executed since the processor was booted. This is probably the finest-grained counter you can get for performance measurement.
Note that ...