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Generating an Excel file in ASP.NET [closed]
...ow would you return the data? I'm looking for something that's as clean and straightforward as possible.
26 Answers
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How to show math equations in general github's markdown(not github's blog)
...ed by the SunDown (ex libUpSkirt) library.
The motto of the library is "Standards compliant, fast, secure markdown processing library in C". The important word being "secure" there, considering your question :).
Indeed, allowing javascript to be executed would be a bit off of the MarkDown standar...
Use dynamic variable names in JavaScript
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Since ECMA-/Javascript is all about Objects and Contexts (which, are also somekind of Object), every variable is stored in a such called Variable- (or in case of a Function, Activation Object).
So if you create variables like this:
var a = 1,
b = 2,
c = 3;
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Should I be using object literals or constructor functions?
...If you want to add behaviour to your object, you can go with a constructor and add methods to the object during construction or give your class a prototype.
function MyData(foo, bar) {
this.foo = foo;
this.bar = bar;
this.verify = function () {
return this.foo === this.bar;
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What is the difference D3 datum vs. data?
Can someone please explain the difference between datum() and data() in D3.js? I see both being used and I am not sure why you should choose one over the other?
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Empty arrays seem to equal true and false at the same time
...t (Array is instance of Object in JS) will check if the object is present, and returns true/false.
When you call if (arr == false) you compare values of this object and the primitive false value. Internally, arr.toString() is called, which returns an empty string "".
This is because toString cal...
Finding ALL duplicate rows, including “elements with smaller subscripts”
...me is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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Most efficient way to prepend a value to an array
... Only one issue with this solution. Doesn't unshift() return its length, and not the array as in this answer? w3schools.com/jsref/jsref_unshift.asp
– iDVB
Mar 8 '15 at 5:36
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inline conditionals in angular.js
...e, falseValue) {
return input ? trueValue : falseValue;
};
});
and can be used like this:
{{foo == "bar" | iif : "it's true" : "no, it's not"}}
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Do you (really) write exception safe code? [closed]
Exception handling (EH) seems to be the current standard, and by searching the web, I can not find any novel ideas or methods that try to improve or replace it (well, some variations exist, but nothing novel).
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