block Questions
5
Solved
Learning about Ruby blocks here. What is the point of having block local variable in this example:
When you can just do the below instead? The x in the block is already going to have its own scop...
2
Solved
With reference to this article: Hard Drive Knowledge: Blocks vs. Sectors, there is a line that reads:
Because there are limits to the number of blocks, or drive addresses, that an operating system...
3
Solved
I'm trying to write a clone of the ruby keep_if and delete_if array methods. Here is my code.
module Strain
def keep
self.inject([]) do |extracts, element|
yield(element) ? extracts << el...
5
I have a DSL in Ruby that works like so:
desc 'list all todos'
command :list do |c|
c.desc 'show todos in long form'
c.switch :l
c.action do |global,option,args|
# some code that's not relevan...
Berti asked 1/5, 2011 at 20:20
2
Solved
I am developing an application in which I am monitoring the Internet traffic (using Fiddler Core) and if the the application finds the the URL not trust worthy then it do not let the user vis...
Latta asked 23/6, 2015 at 6:54
5
Below is an example of my my_create method, and an example of that method in use.
@contextmanager
def my_create(**attributes):
obj = MyObject(**attributes)
yield obj
obj.save()
with my_create...
Cholula asked 2/2, 2018 at 22:28
4
Solved
I am new at Java and am experiencing a bit of a problem with throwing exceptions. Namely, why is this incorrect
public static void divide(double x, double y) {
if (y == 0){
throw new Exception(&q...
2
I'm using twig templates in a slim framework app. I have a template page.phtml which paginates an array of data and has several sub blocks intended for overriding per element specifics like paginat...
1
2
Solved
all, I have a correlation matrix of 21 industry sectors. Now I want to split these 21 sectors into 4 or 5 groups, with sectors of similar behaviors grouped together.
Can experts shed me some light...
Schmit asked 12/10, 2018 at 21:53
2
Solved
I need to grab the_content() via an AJAX request and render all Gutenberg blocks with their inline styling in the page.
Problem is, unique block classes are added to the footer in theme templates.
...
Caa asked 15/6, 2022 at 17:40
3
Solved
Is it possible to do multiple operations in increment part of for loop in C/C++?
Something like this:
int a = 0, b = 0, c = 5;
for(; a < c; increase a by 1 and increase b by 2)
3
Please follow the code bellow, which is taken from my Magento Commerce theme:
extract from layout/page.xml
<block type="page/html_header" name="header" as="header">
<block type="page/te...
2
Solved
I am trying to return a block of a matrix as an lvalue of a function. Let's say my function looks like this:
Block<Derived> getBlock(MatrixXd & m, int i, int j, int row, int column)
{
r...
7
Solved
I'm writing a listener thread for a server, and at the moment I'm using:
while (true){
try {
if (condition){
//do something
condition=false;
}
sleep(1000);
} catch (InterruptedException ex...
Ginglymus asked 14/5, 2011 at 0:43
1
Solved
I have something that I can do easily in Perl, but not in Raku without fiddling around with flag variables. Here's the Perl code:
#!/usr/bin/perl
MAIN_BLOCK: {
foreach $item (1 2 3 4 5) {
$item ...
2
Solved
So I have the following:
foo.each do |f|
f.begin
do_stuff
do_more_stuff
end
end
And I mock the f object with an and_yield() call. I want to be able to test the begin method by passing it the...
Soldierly asked 14/10, 2014 at 17:33
8
Solved
This is what I would like to do:
{
...
if(condition)
break;
...
}
This works for a loop. I would like something similar for a simple block of code.
Is it possible?
Am I forced to use a "goto...
3
Solved
I am pretty new to jade and I have the following problem.
Having this (simplified) mixin:
mixin someMixin()
.someClass
block first
.otherClass
block second
now I try to you this mixin mult...
4
I want store some data on the disk in linux. I want this data stored in continuous disk block in physical disk. If i in order write this data to a normal file, maybe the block that the file occupie...
Locomotive asked 9/4, 2012 at 10:34
1
I'm trying to assign an unique ID into my SVG linearGradient element, this is for a custom Gutenberg block I'm working, basically I need to get access (or generate) an unique id so I can place it i...
Celestyna asked 12/1, 2020 at 15:2
2
I've looked at java.nio.file.attribute.Attributes and java.nio.file.FileStore, but couldn't find a way to discover the block-size of a disk-file.
Prefabricate asked 8/10, 2010 at 15:48
4
Solved
2
Solved
df<- data.frame(a=c(1:10), b=c(21:30),c=c(1:10), d=c(14:23),e=c(11:20),f=c(-6:-15),g=c(11:20),h=c(-14:-23),i=c(4:13),j=c(1:10))
In this data frame, I have three block-diagonal matrices which a...
3
Solved
Clang has a very cool extension named block bringing true lambda function mechanism to C. Compared to block, gcc's nested functions are quite limited. However, trying to compile a trivial program c...
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