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Fixed point vs Floating point number
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A fixed point number has a specific number of bits (or digits) reserved for the integer part (the part to the left of the decimal point) and a specific number of bits reserved for the fractional part (the part to the right of the decimal point). No matter ...
设置页使用指导 · App Inventor 2 中文网
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Use dynamic (variable) string as regex pattern in JavaScript
...reate the regex from a string, you have to use JavaScript's RegExp object.
If you also want to match/replace more than one time, then you must add the g (global match) flag. Here's an example:
var stringToGoIntoTheRegex = "abc";
var regex = new RegExp("#" + stringToGoIntoTheRegex + "#", "g");
// at ...
Can every recursion be converted into iteration?
... an iterative one? Yes, absolutely, and the Church-Turing thesis proves it if memory serves. In lay terms, it states that what is computable by recursive functions is computable by an iterative model (such as the Turing machine) and vice versa. The thesis does not tell you precisely how to do the co...
Detect when an HTML5 video finishes
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Why do you check if e exists?
– Allan Stepps
Aug 7 '13 at 0:12
3
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Removing double quotes from variables in batch file creates problems with CMD environment
...n. With " as the old and nothing as the new, the quotes are removed, even if they are in the middle, even if they are unbalanced.
– Jesse Chisholm
Feb 12 '15 at 15:33
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Take a char input from the Scanner
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What's the difference between "exactly" and "strictly" in this context?
– user6096242
Nov 29 '17 at 18:02
2
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How to select date from datetime column?
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I believe this does not work as expected if the Rails timezone is something other than UTC. This is because DATE() resolves the column value to UTC. So a date such as "Fri, 30 Dec 2016 00:00:00 SGT +08:00" which we expect to find if we queried for "2016-12-30" will ...
What is the difference between join and merge in Pandas?
...n on. That makes sense to me sort of. I can accept that the semantics are different. But I'd like to know if I can get that same behavior with df.join
– munk
Mar 27 '14 at 0:59
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ToList()— does it create a new list?
...he new list will also affect the equivalent object in the original list.
(If MyObject was declared as a struct rather than a class then the new list would contain copies of the elements in the original list, and updating a property of an element in the new list would not affect the equivalent eleme...