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public static const in TypeScript
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Here's what's this TS snippet compiled into (via TS Playground):
define(["require", "exports"], function(require, exports) {
var Library = (function () {
function Library() {
}
Library.BOOK_SHELF_NONE = "None";
Library...
Multiple Inheritance in C#
Since multiple inheritance is bad (it makes the source more complicated) C# does not provide such a pattern directly. But sometimes it would be helpful to have this ability.
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Handling specific errors in JavaScript (think exceptions)
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Inheriting from Error has problems. See stackoverflow.com/questions/1382107/…
– Crescent Fresh
Sep 16 '09 at 15:20
5
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Makefile, header dependencies
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If you are using a GNU compiler, the compiler can assemble a list of dependencies for you. Makefile fragment:
depend: .depend
.depend: $(SRCS)
rm -f ./.depend
$(CC) $(CFLAGS) -MM $^ -MF ./.depend;
include .depend
or
depend: ....
Rails migration for has_and_belongs_to_many join table
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How to check if a file is a valid image file?
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208
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What is the purpose of XORing a register with itself? [duplicate]
...to zero at the rename stage without using any execution unit stackoverflow.com/a/18027854/995714
– phuclv
Mar 6 '14 at 15:01
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Turning a Comma Separated string into individual rows
... recursion is limited to 100. If you know you have very long
-- strings, uncomment the option
Output
SomeID | OtherID | DataItem
--------+---------+----------
1 | 9 | 18
1 | 9 | 20
1 | 9 | 22
2 | 8 | 17
2 | 8 ...
MongoDB/Mongoose querying at a specific date?
...nces are that the dates you saved were new Date(), which includes the time components. To query those times you need to create a date range that includes all moments in a day.
db.posts.find( //query today up to tonight
{"created_on": {"$gte": new Date(2012, 7, 14), "$lt": new Date(2012, 7, 15)}})...
What is the reason behind cbegin/cend?
...onst int &. If it takes it's parameters as int &, C++ will issue a compiler error.
C++17 has a more elegant solution to this problem: std::as_const. Well, at least it's elegant when using range-based for:
for(auto &item : std::as_const(vec))
This simply returns a const& to the ...