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How do I make a simple makefile for gcc on Linux?
...tly invoke gcc *.c *.h -o program, possibly adding options like -Wall -O2, etc.
– MestreLion
Sep 4 at 19:20
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Is it expensive to use try-catch blocks even if an exception is never thrown?
...o program the compiler to do them, reason about and guarantee correctness, etc. It'd be a big pain for something meant to be 'exceptional') But again, in practice you won't notice things like this.
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When to wrap quotes around a shell variable?
..."=\'Steve\'}')
No quotes
around standard numeric variables ($$, $?, $# etc.)
in arithmetic contexts like ((count++)), "${arr[idx]}", "${string:start:length}"
inside [[ ]] expression which is free from word splitting and globbing issues (this is a matter of style and opinions can vary widely)
whe...
JavaScript and Threads
...ecs" no need to hack javascript anymore with setTimeout(), setInterval(), etc.
HTML5 & Friends introduces the javascript Web Workers specification. It is an API for running scripts asynchronously and independently.
Links to the specification and a tutorial.
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Hand Coded GUI Versus Qt Designer GUI [closed]
...ome, like lack of support for ButtonGroups, custom slots, naming QLayouts, etc. But for the last 5-6 years or so, all of those problems have been addressed. I prefer using UI files if I can, it's much easier to reorganize layouts and it results in a lot less code to maintain.
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Populating a ListView using an ArrayList?
... (or any other collection) to your items in your layout (ListView, Spinner etc.).
This is what the Android developer guide says:
A ListAdapter that manages a ListView backed by an array of arbitrary objects. By default this class expects that the provided resource id references a single TextView. I...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...s better, in terms of functionality, page load speed, validation purposes, etc.?
54 Answers
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What are C++ functors and their uses?
... library, defining Is5() is quite simple. ANd you can create Is7(), Is32() etc. Further, that's just an example. THe functor could be much more complicate.
– James Curran
Sep 30 '17 at 2:57
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With arrays, why is it the case that a[5] == 5[a]?
... then a[0] is at 0x1230, a[1] is at 0x1234, a[2] at 0x1238...a[5] at x1244 etc. If we just add 5 to 0x1230, we get 0x1235, which is wrong.
– James Curran
Dec 19 '08 at 17:21
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git: Apply changes introduced by commit in one repo to another repo
...om commits you want with git format-patch
Optionally, copy patches (0001-* etc.) to your repository
Use git am --3way to apply patches
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