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check if a std::vector contains a certain object? [duplicate]
...erator==. If you need to account for numerical tolerance, use std::find_if and supply a suitable predicate.
– You
Aug 20 '15 at 18:38
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Running code in main thread from another thread
In an android service I have created thread(s) for doing some background task.
16 Answers
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Date.getDay() javascript returns wrong day
...ponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.
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Django, creating a custom 500/404 error page
...in views.py add your own custom implementation of the following two views, and just set up the templates 404.html and 500.html with what you want to display.
With this solution, no custom code needs to be added to urls.py
Here's the code:
from django.shortcuts import render_to_response
from djang...
Checking if an object is null in C#
... List<Object>();
Even better: since it's a field, make it private. And if there's nothing preventing you, make it also readonly. Just good practice.
Aside
The correct way to check for nullity is if(data != null). This kind of check is ubiquitous for reference types; even Nullable<T> ...
Animate visibility modes, GONE and VISIBLE
... the visibility of a linearlayout with other widgets, from GONE to VISIBLE and the opposite.Im using togglebuttons to show and hide. Here's an image to show what i want to do:
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Which selector do I need to select an option by its text?
...xt="B"]').val();
Demo fiddle
This would give you the option with text B and not the ones which has text that contains B. Hope this helps
For recent versions of jQuery the above does not work. As commented by Quandary below, this is what works for jQuery 1.9.1:
$('#test option').filter(function ...
How do I find the install time and date of Windows?
...ut how can I find out (hopefully via an API/registry key) the install time and date of Windows?
19 Answers
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How to start new activity on button click
In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
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How to get line count of a large file cheaply in Python?
I need to get a line count of a large file (hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise?
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