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How to convert a Binary String to a base 10 integer in Java
...st this before? here number.length minus the index plus 1 is been multiply by 2, if i am not mistaken in bynary you start with 1 and multiply that value by 2 then grab the result and multiply that one by 2 that will be your 3 place and so on
– Christopher Cabezudo Rodriguez
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how to add records to has_many :through association in rails
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Another way to add associations is by using the foreign key columns:
agent = Agent.new(...)
agent.house = House.find(...)
agent.customer = Customer.find(...)
agent.save
Or use the exact column names, passing the ID of the associated record instead of the re...
How much is the overhead of smart pointers compared to normal pointers in C++?
... lots of codes in the code segment for the stack unwinding. If you pass it by reference you get an additional indirection which can be also pretty worse in terms of performance.
Thats why you should not do this unless the function is really involved in ownership management. Otherwise use "shared_p...
ImportError: No module named PIL
...alls, import PIL does work, which adds to the confusion. This is confirmed by an example from the documentation, as @JanneKarila found out, and also by some more recent versions of the MacPorts PIL package (1.1.7).
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How do I toggle an element's class in pure JavaScript?
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2014 answer: classList.toggle() is the standard and supported by most browsers.
Older browsers can use use classlist.js for classList.toggle():
var menu = document.querySelector('.menu') // Using a class instead, see note below.
menu.classList.toggle('hidden-phone');
As an aside, y...
Using global variables in a function
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You can use a global variable within other functions by declaring it as global within each function that assigns a value to it:
globvar = 0
def set_globvar_to_one():
global globvar # Needed to modify global copy of globvar
globvar = 1
def print_globvar():
print...
jQuery: keyPress Backspace won't fire?
...eypress');
});
Adding my Work Around here. I needed to delete ssn typed by user so i did this in jQuery
$(this).bind("keydown", function (event) {
// Allow: backspace, delete
if (event.keyCode == 46 || event.keyCode == 8)
{
var tempField = $(this).attr('nam...
Should the .gradle folder be added to version control?
...ent question).
You can tell the "cache directory" nature of the directory by the name of the switch that lets you change where it goes: "--project-cache-dir".
Though I hate having binary files in my source tree, I usually just end up adding the directory to my ignore file because somewhere along...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...Contrib Grid component and I'm fascinated, yet at the same time repulsed, by a syntactic trick used in the Grid syntax :
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Why can I not push_back a unique_ptr into a vector?
...leaked. The rule of thumb is that all dynamic allocations should be owned by a named smart pointer to avoid leakiness.
– James McNellis
Feb 20 '12 at 5:52
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