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Remove leading zeros from a number in Javascript [duplicate]
...console.log(`Subtracting zero conversion result: ${parsedNumber}`);
All results will be incorrect.
That's because, when converted, the numString value is greater than Number.MAX_SAFE_INTEGER. i.e.,
99999999999999999999 > 9007199254740991
This means all operation performed with the as...
RegEx to parse or validate Base64 data
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The simplest solution would be to strip out all whitespace (which is ignored as per the RFC) before validation.
– Ben Blank
Jan 24 '09 at 1:35
2
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What is the difference between const_iterator and non-const iterator in the C++ STL?
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const_iterators don't allow you to change the values that they point to, regular iterators do.
As with all things in C++, always prefer const, unless there's a good reason to use regular iterators (i.e. you want to use the fact that they're not c...
How to use `string.startsWith()` method ignoring the case?
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The big problem here is the performance. For small Strings no problem, but if you have a big one... I mean... Do you really will do a toUpperCase in a 1mb String just to compare 4-10 inicial characters?
– Dyorgio
Apr 7 '16 at 16:52
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jQuery equivalent of JavaScript's addEventListener method
I'm trying to find the jQuery equivalent of this JavaScript method call:
7 Answers
7
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How to handle floats and decimal separators with html5 input type number
... has a default value of 1. If you want the input's validation algorithm to allow floating-point values, specify a step accordingly.
For example, I wanted dollar amounts, so I specified a step like this:
<input type="number" name="price"
pattern="[0-9]+([\.,][0-9]+)?" step="0.01"
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Volatile vs Static in Java
Is it correct to say that static means one copy of the value for all objects and volatile means one copy of the value for all threads?
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Flask SQLAlchemy query, specify column names
... do I specify the column that I want in my query using a model (it selects all columns by default)? I know how to do this with the sqlalchmey session: session.query(self.col1) , but how do I do it with with models? I can't do SomeModel.query() . Is there a way?
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What is Full Text Search vs LIKE
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In general, there is a tradeoff between "precision" and "recall". High precision means that fewer irrelevant results are presented (no false positives), while high recall means that fewer relevant results are missing (no false negatives). Using the LIKE operator gives you 100% precisi...
How to run Rake tasks from within Rake tasks?
...method?
task :build => [:some_other_tasks] do
build
end
task :build_all do
[:debug, :release].each { |t| build t }
end
def build(type = :debug)
# ...
end
If you'd rather stick to rake's idioms, here are your possibilities, compiled from past answers:
This always executes the task, bu...