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Invoking JavaScript code in an iframe from the parent page
... I added an example on how to use the window.frames method mentioned.
– Elijah Lynn
Feb 25 '15 at 18:43
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List of installed gems?
...ersion = Gem::Requirement.new([">= 1.9.3"])
# s.requirements = ["none"]
# s.rubygems_version = "2.0.14"
# s.specification_version = 4
# s.summary = "Email composition, delivery, and receiving framework (part of Rails)."
# s.version = Gem::Version.new("4.0.2")
# ...
How does one capture a Mac's command key via JavaScript?
How does one capture a Mac's Cmd key via JavaScript?
7 Answers
7
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For i = 0, why is (i += i++) equal to 0?
...ore thorough decomposition of i += i++ to the parts it is made of requires one to know that both += and ++ are not atomic (that is, neither one is a single operation), even if they look like they are. The way these are implemented involve temporary variables, copies of i before the operations take p...
Best practices/guidance for maintaining assembly version numbers
...ou have already said in your question it is clear that you have understood one important point, the assembly version numbers are not synonymous with the product version. One is technically driven, and the other is driven by the business.
The following assumes that you use some form of source contro...
Should switch statements always contain a default clause?
In one of my first code reviews (a while back), I was told that it's good practice to include a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now.
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GOTO still considered harmful? [closed]
Everyone is aware of Dijkstra's Letters to the editor: go to statement considered harmful (also here .html transcript and here .pdf) and there has been a formidable push since that time to eschew the goto statement whenever possible. While it's possible to use goto to produce unmaintainable, s...
Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
...2-bit x86. x86-64's increase from 8 to 16 integer and vector registers is one of the biggest factors in 64bit code being faster than 32-bit (along with the more efficient register-call ABI), not the increased width of each register. A further increase from 16 to 32 integer registers would help som...
How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...is worked great. I sat back and said "this might take a while" and it was done in two seconds. Was dealing with a 528 table database and had no idea how large it actually was
– trench
Jul 25 '18 at 12:52
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Python : List of dict, if exists increment a dict value, if not append a new dict
...me you reference a URL, its count is initialized to zero, and then you add one to the count.
But a dictionary full of counts is also a common pattern, so Python provides a ready-to-use class: containers.Counter You just create a Counter instance by calling the class, passing in any iterable; it bu...