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TypeScript function overloading
...
As a heads up to others, I've oberserved that at least as manifested by TypeScript compiled by WebPack for Angular 2, you quietly get overWRITTEN instead of overLOADED methods.
myComponent {
method(): { console.info("no args"); },
method(arg): { console.info("with arg"...
What are the performance characteristics of sqlite with very large database files? [closed]
...e tests with sqlite for very large files, and came to some conclusions (at least for my specific application).
The tests involve a single sqlite file with either a single table, or multiple tables. Each table had about 8 columns, almost all integers, and 4 indices.
The idea was to insert enough da...
Is the practice of returning a C++ reference variable evil?
... calling us manages the lifetime of the class instance, so i_ will live at least that long.
And of course, there's nothing wrong with just:
int getInt() {
return 0;
}
If the lifetime should be left up to the caller, and you're just computing the value.
Summary: it's okay to return a referenc...
Why use strict and warnings?
... error is triggered if you attempt to access a variable that hasn't met at least one of the following criteria:
Predefined by Perl itself, such as @ARGV, %ENV, and all the global punctuation variables such as $. or $_.
Declared with our (for a global) or my (for a lexical).
Imported from another p...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
... In this concrete case "modifies_variable" should return true: There's at least one execution path in which the variable is indeed modified. And that execution path is reached after a call to an external, non-deterministic function - so whole function is non-deterministic. For these 2 reasons, the ...
What is the result of % in Python?
...itude" rather than the two's complement representation used these days (at least for integers). My first computer was a Control Data mainframe and it used one's complement for integers as well as floats. A pattern of 60 ones meant negative zero!
Tim Peters, who knows where all Python's floating poin...
Checking if a string can be converted to float in Python
... a second, or something. Also, the partition-based code doesn't handle at least one valid string.
$ ./floatstr.py
F..
partition sad: 3.1102449894
partition happy: 2.09208488464
..
re sad: 7.76906108856
re happy: 7.09421992302
..
try sad: 12.1525540352
try happy: 1.44165301323
.
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Going from a framework to no-framework [closed]
...e (Sandbox 3rd-party ads/badges/videos. Already in WebKit. Likely to be at least partially implemented in Firefox 11.)
Content Security Policy (Firefox 4's new security framework, complimentary to the sandbox attribute. Now also being implemented in Chrome.)
If you're accepting HTML as input, I r...
How to replace plain URLs with links?
... to edit the original post to fix the mailto problem, but I have to add at least 6 characters to make an edit. But if you change this line: replacePattern3 = /(\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,6})/gim; with this replacePattern3 = /(\w+@[a-zA-Z_]+?(\.[a-zA-Z]{2,6})+)/gim; that fixes the mailto problem :)
...
How do you reverse a string in place in JavaScript?
...
I can at least say that I had one interviewer a while back be pretty impressed when he asked me how to reverse a stri