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Understanding the Gemfile.lock file
...ck in the application together with the Gemfile and Gemfile.lock snapshot. Now, your repository has a record of the exact versions of all of the gems that you used the last time you know for sure that the application worked...
This is important: the Gemfile.lock makes your application a single packa...
Do declared properties require a corresponding instance variable?
...e Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this.
When you @synthesize the property, the ivar will in effect be synthesized also for you. This gets around the "fragile-ivar"...
Custom HTTP Authorization Header
...er) explains why introducing a custom header adds the additional burden of now having to manually set the Cache-Control correctly.
– Jon-Eric
Apr 15 '13 at 17:00
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How can I tell if a DOM element is visible in the current viewport?
...eed to support version of Internet Explorer before 7.
Original solution (now outdated):
This will check if the element is entirely visible in the current viewport:
function elementInViewport(el) {
var top = el.offsetTop;
var left = el.offsetLeft;
var width = el.offsetWidth;
var height = ...
How to use GNU Make on Windows?
...targets specified and no makefile found. Stop.
Which means it's working now!
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Should I put input elements inside a label element?
... contained within a label element that contains the label text." I don't know if that was added in the years since @Sorcy commented, but the input-in-label scenario is considered valid now.
– Alex Weitzer
Aug 14 '14 at 21:29
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How can I parse JSON with C#?
... Can I deserialize to a var type variable, in the case I dont know the complete structure of my objective? Specifically, I'm consuming Rally User Stories, and I want to convert them to objects.
– Pedro Dusso
Mar 11 '13 at 10:52
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Reading binary file and looping over each byte
...
# Do stuff with byte.
byte = f.read(1)
python 3.8
From now on thanks to := operator the above code can be written in a shorter way.
with open("myfile", "rb") as f:
while (byte := f.read(1)):
# Do stuff with byte.
...
How far can memory leaks go?
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@Marko : Recent version of vxWorks now support RTPs (real time processes) which support memory protection.
– Xavier T.
Mar 18 '13 at 8:37
21...
Node.js on multi-core machines
... entire box; I crashed the kernel on a CentOS5 box by stress-testing Node (now THAT really isn't supposed to happen). I've come around a bit, and I see a bright future for Node, potentially including dedicated LB-type roles. Just not yet.
– Dave Dopson
Jan 16...