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Get the IP address of the machine
...nterfaces, but only one corresponds to the public one.
Even autodetection does not work in case you are on double-NAT, where your firewall even translates the source-IP into something completely different. So you cannot even be sure, that the default route leads to your interface with a public int...
Retain cycle on `self` with blocks
... block get passed the value of self in as an argument. Unfortunately, this doesn't make sense for most APIs.
Please note that referencing an ivar has the exact same issue. If you need to reference an ivar in your block, either use a property instead or use bself->ivar.
Addendum: When compilin...
Replace tabs with spaces in vim
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Does anyone know which version of vim has :retab? My 7.3.322 doesn't.
– bitmaker
Jul 17 '19 at 14:55
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How to set MSDN to be always in English
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This does make en-US the default if you navigate to microsoft docs, but when you do a websearch for ms content you easily get stuck with a different language (typically your browser language). A common situation that AirLancer's "...
How to stop unwanted UIButton animation on title change?
...ton titles are animating in and out at the wrong time - late. This problem does not appear on iOS 6. I'm just using:
24 Ans...
How to save MySQL query output to excel or .txt file? [duplicate]
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This does not work in most cases where you are a client and the file is being created on the server machine that the client does not have access any way. I voted down this answer.
– Kemin Zhou
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How To Check If A Key in **kwargs Exists?
... on regular var's, but it seems **kwargs play by different rules... so why doesn't this work and how can I check to see if a key in **kwargs exists?
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Why is using onClick() in HTML a bad practice?
...nçois Wahl: the main disadvantage is discoverability: looking at the HTML does not tell you which callbacks are attached to it, not even whther there are any.
– Michael Borgwardt
Nov 28 '12 at 8:17
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Constructor overload in TypeScript
... @nikkwong froginvasion's point was that using this technique TypeScript doesn't verify the correctness of the overloaded implementation with respect to the overloads. The call sites are verified but the implementation is not. Though not "typesafe", using froginvasion's implied definition, it doe...
promise already under evaluation: recursive default argument reference or earlier problems?
...lem: just specify the argument in the call instead of the definition.
This does not work:
x = 4
my.function <- function(x = x){}
my.function() # recursive error!
but this does work:
x = 4
my.function <- function(x){}
my.function(x = x) # works fine!
Function arguments exist in their own l...