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Difference between thread's context class loader and normal classloader
... be created from a class in ClassLoaderC and then passed to a thread owned by ClassLoaderD. In this case the object needs to use Thread.currentThread().getContextClassLoader() directly if it wants to load resources that are not available on its own classloader.
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How to set a selected option of a dropdown list control using angular JS
...same issue I thought of sharing how I got the solution.
You can use track by attribute in your ng-options.
Assume that you have:
variants:[{'id':0, name:'set of 6 traits'}, {'id':1, name:'5 complete sets'}]
You can mention your ng-options as:
ng-options="v.name for v in variants track by v.id...
Split comma-separated strings in a column into separate rows
... using the microbenchmark package (see code below).
The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20 rows are simply repeated 1, 10, 100, 1000, 10000, and 100000 times which give problem sizes of up to 2 million rows.
Benchmark results
The benchm...
Javascript sort array by two fields
So the above code sorts the array by gsize - smallest to largest. It works good.
But if the gsize is the same I would like it to then sort by glow.
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Sort a list of tuples by 2nd item (integer value) [duplicate]
...sited stackoverflow page of all time; i've been here like easily 500 times by now. Thank you cheeken, if only i could memorize this one line of code.
– will kinsman
Aug 19 at 3:08
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What's the best way to get the last element of an array without deleting it?
...
option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja)
option .2. $x = array_slice($array, -1)[0]; (as suggested by Stoutie)
option .3. $x = array_pop((array_slice($array, -1))); (as suggested by rolacja)
option .4. $x = array_pop((array_slice($array, -1, 1))); (as su...
Why does ++[[]][+[]]+[+[]] return the string “10”?
...y A to avoid the wrong notation.
++ before its operand means “increment by one and return the incremented result”. So ++[[]][0] is equivalent to Number(A) + 1 (or +A + 1).
Again, we can simplify the mess into something more legible. Let's substitute [] back for A:
(+[] + 1)
+
[0]
Before +[]...
Calling a Java method with no name
... }
is static initialization block which is executed when class is loaded by class loader.
So when you run your code
1. Class is loaded by class loader so static initialization block is executed
Output: x is printed
2. Object is created so initialization block is executed and then constuctor i...
Is nested function a good approach when required by only one function? [closed]
Let's say that a function A is required only by function B , should A be defined inside B?
12 Answers
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Using arrays or std::vectors in C++, what's the performance gap?
...operations on vectors and arrays/pointers.
// Assembly code was generated by gcc 4.1.0 invoked with g++ -O3 -S on a
// x86_64-suse-linux machine.
#include <vector>
struct S
{
int padding;
std::vector<int> v;
int * p;
std::vector<int>::iterator i;
};
int pointer_inde...