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Calculate text width with JavaScript
... fiddle compares this Canvas method to a variation of Bob Monteverde's DOM-based method, so you can analyze and compare accuracy of the results.
There are several advantages to this approach, including:
More concise and safer than the other (DOM-based) methods because it does not change global stat...
Unit testing of private methods [duplicate]
...ll going to be private, but now you can derive a "testing" class from your base class that exposes the private functionality you want tested.
Here's a minimal example:
class BASE_CLASS {
protected:
int your_method(int a, int b);
};
class TEST_CLASS : public BASE_CLASS {
public:
int yo...
How to replace a character by a newline in Vim
...using GVim on Windows, and I need neither the :set magic (it's not in my ~/_vimrc either) or ctrl-q. Just a simple ctrl-v followed by enter creates the ^M character for me just fine.
– Chris Phillips
Sep 14 '11 at 21:02
...
The type must be a reference type in order to use it as parameter 'T' in the generic type or method
...or sure without a repro example):
public class Derived<SomeModel> : Base<SomeModel> where SomeModel : class, IModel
^^^^^
see this bit
...
How exactly does tail recursion work?
...rsively compose the final value. In Tail Recursion they only reference the base case (last one evaluated). We call accumulator the argument that keeps track of the older values.
Recursion Templates
The regular recursive function go as follows:
type regular(n)
base_case
computation
ret...
Simultaneously merge multiple data.frames in a list
...using the tidyverse packages. For comparison purposes below, you'll find a base R version using the same sample dataset.
1) Join them with reduce from the purrr package:
The purrr package provides a reduce function which has a concise syntax:
library(tidyverse)
list(x, y, z) %>% reduce(left_...
What is the Difference Between read() and recv() , and Between send() and write()?
... on a socket, and will produce an error if you try to use it on, say, STDIN_FILENO.
– Joey Adams
Jul 31 '11 at 5:29
78
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WebDriver: check if an element exists? [duplicate]
... It seems the default implicit wait time is 0, (seleniumhq.org/docs/04_webdriver_advanced.html) So unless you've configured it to be longer, this shouldn't be necessary.
– Andrew M
May 24 '12 at 9:43
...
Dependency injection with Jersey 2.0
... ..
}
@Path("my-path")
class MyProvider {
@Inject ConfigurationService _configuration;
@GET
public Object get() {..}
}
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Jquery insert new row into table at a certain index
...$('#my_table > tbody > tr').eq(i-1).after(html);
The indexes are 0 based, so to be the 4th row, you need i-1, since .eq(3) would be the 4th row, you need to go back to the 3rd row (2) and insert .after() that.
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