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Does it make sense to do “try-finally” without “catch”?
...oncrete example of handling the exception from a calling method.
public void yourOtherMethod() {
try {
yourMethod();
} catch (YourException ex) {
// handle exception
}
}
public void yourMethod() throws YourException {
try {
db.store(mydata);
} finall...
Concurrent.futures vs Multiprocessing in Python 3
...lExecutor
def pool_factorizer_map(nums, nprocs):
# Let the executor divide the work among processes by using 'map'.
with ProcessPoolExecutor(max_workers=nprocs) as executor:
return {num:factors for num, factors in
zip(nums,
...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...the execution of that function and display an error message on screen but did not want the entire script to stop executing. The script author could have used throw however it would mean you would have to use a try/catch when calling the function.
return will exit the current scope which can be a fu...
Order data frame rows according to vector with specific order
... In this case, recommend declaring target order as a tibble, to avoid data.frame() conversion to factors. target <- tibble(name = c("b", "c", "a", "d"))
– Nettle
Dec 14 '17 at 17:33
...
image.onload event and browser cache
...oad = function () {
alert("image is loaded");
}
img.src = "img.jpg";
Fiddle - tested on latest Firefox and Chrome releases.
You can also use the answer in this post, which I adapted for a single dynamically generated image:
var img = new Image();
// 'load' event
$(img).on('load', function() {...
What is the best method of handling currency/money?
...r model (and database), for example :price
Write this in your product.rb file:
class Product > ActiveRecord::Base
composed_of :price,
:class_name => 'Money',
:mapping => %w(price cents),
:converter => Proc.new { |value| Money.new(value) }
...
GitHub: make fork an “own project”
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
What is N-Tier architecture?
...rom simple Desktop application where the data lives on the same machine as files or Web Application where you can hit the database directly.
For n-tier programming, you need to package up the data in some sort of transportable form called "dataset" and fly them over the wire. .NET's DataSet class o...
Mocking Extension Methods with Moq
...
Besides Moles, there are other (non-free) mocking frameworks that use .NET's profiler API to mock objects and so can replace any calls. The two I know are Telerik's JustMock and TypeMock Isolator.
– Marcel ...
Find first element in a sequence that matches a predicate
I want an idiomatic way to find the first element in a list that matches a predicate.
4 Answers
...