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timer - Fortran intrinsic timing routines, which is better? cpu_time or system_clock

When timing a FORTRAN program i usually just use the command call cpu_time(t). Then i stumbled across call ... 348s Thanks for reading... See Question&Answers more detail:os...

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kotlin - How can I suppress unchecked cast warnings?

Having the following code: fun doSomething(): List<String> { val test: List<*> = arrayListOf("test1", "test2") ... level, but it didn't work. See Question&Answers more detail:os...

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c# - Where in memory are nullable types stored?

This is maybe a follow up to question about nullable types. Where exactly are nullable value types (int?...) ... here - perhaps in heap? See Question&Answers more detail:os...

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c++ - SFINAE works differently in cases of type and non-type template parameters

Why does this code work: template< typename T, std::enable_if_t<std::is_same<T, int>::value, T>* = nullptr> ... non-type, then everything is ok. See Question&Answers more detail:os...

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html - Wrap elements inside a div using jQuery

I have this: <div>content element</div> <div class="accordionTrigger"> <div><h1>title</h1></div> <p>text</p> ... /div> </div> can I avoid that? See Question&Answers more detail:os...

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Javascript regex to validate IPv4 and IPv6 address, no hostnames

Please suggest a single JS regex that can validate: IPv4 address IPv6 address This regex should only validate address & no hostnames. See Question&Answers more detail:os...

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.net - C# attribute name abbreviation

How is it possible that C# attributes have "Attribute" in their name (e.g. DataMemberAttribute) but are ... [DataMember] private int i; See Question&Answers more detail:os...

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MySQL - Select the last inserted row easiest way

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java - PowerMock ECLEmma coverage issue

We are using EasyMock and PowerMock with JUnit. The coverage tool used is ECLEmma. With EasyMock, it shows ... for this. Thanks Venkatesh See Question&Answers more detail:os...

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multithreading - Is changing a pointer considered an atomic action in C?

If I have a multi-threaded program that reads a cache-type memory by reference. Can I change this pointer by ... -platform answer as well :) See Question&Answers more detail:os...

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matlab - How can I divide each row of a matrix by a fixed row?

Suppose I have a matrix like: 100 200 300 400 500 600 1 2 3 4 5 6 10 20 30 40 50 60 ... I wish ... I do it (without writing an explicit loop)? See Question&Answers more detail:os...

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How to make JQuery-AJAX request synchronous

How do i make an ajax request synchronous? I have a form which needs to be submitted. But it needs to be submitted ... 0") { return false; } } See Question&Answers more detail:os...

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Run a python script in virtual environment from windows task scheduler

I'm trying to set up a recurring Python task through windows task scheduler. I have had success when I ... hours' using windows task scheduler? See Question&Answers more detail:os...

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garbage collection - PyQt: RuntimeError: wrapped C/C++ object has been deleted

If I run this code: #!/usr/local/bin/ python3 import sys from PyQt4.QtCore import * from PyQt4.QtGui import ... Why is the button being deleted? See Question&Answers more detail:os...

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css - Why don't margin-top: auto and margin-bottom:auto work the same as their left and right counterparts?

If I set the CSS margin properties of a div like so: div { margin-left: auto; margin-right: auto; } I get ... the same way? What am I missing? See Question&Answers more detail:os...

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c# - Using System.Windows.Forms.Timer.Start()/Stop() versus Enabled = true/false

Suppose we are using System.Windows.Forms.Timer in a .Net application, Is there any meaningful difference between ... which option to choose? See Question&Answers more detail:os...

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c++ - std::vector of std::vectors contiguity

I know that std::vector<T> internally stores it's data contiguously (unless it is std::vector<bool>) both in the ... be done for a 1-D vector? See Question&Answers more detail:os...

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r - Error in loading rgl package with Mac OS X

I am trying to install rgl package (0.92.858) for R (2.14.2) under Mac OS X (Lion 10.7.3). ... experienced similar problem? Any way solving it? See Question&Answers more detail:os...

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Two phase name lookup for C++ templates - Why?

Why does the C++ standard define two phase lookup for templates? Couldn't non dependent declarations and ... instantiation stage as well? See Question&Answers more detail:os...

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python - pip/easy_install failure: failed to create process

After following this article: How do I install pip on Windows? on my Windows system using Enthought Canopy 64 ... as admin without any effect. See Question&Answers more detail:os...

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key value observing - In Swift 4, how do I remove a block-based KVO observer?

If I store an observer like this: let observer: NSKeyValueObservation = foo.observe(.value, options: [.new]) { ... have any remove-like either. See Question&Answers more detail:os...

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parsing - reading two integers in one line using C#

i know how to make a console read two integers but each integer by it self like this int a = int.Parse( ... it will take it as two integers See Question&Answers more detail:os...

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python - Converting a Panda DF List into a string

I have a panda data frame. One of the columns contains a list. I want that column to be a single string. ... only incorrect, it kills my memory. See Question&Answers more detail:os...

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c++ - Is std::pair<int, std::string> ordering well-defined?

It seems that I can sort a std::vector<std::pair<int, std::string>>, and it will sort based on the ... a default ordering based on its elements? See Question&Answers more detail:os...

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VB.NET Function Return

In order to return a value from a VB.NET function one can assign a value to the "Functions Name" or use " ... , if any, between the two? See Question&Answers more detail:os...

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How to control Sass Variable with javascript

I have a Sass file which is generating a CSS file. I have used many variables in my sass file for ... I change these values from JavaScript? See Question&Answers more detail:os...

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c# - Join and Include in Entity Framework

I have the following query of linq to entities. The problem is that it doesn't seem to load the "Tags" ... Maybe split it up or something? See Question&Answers more detail:os...

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javascript - focus() not working in safari or chrome

I have a div that has been given a tabindex, when the div is focused(click or tabbed to) it does the following ... focus, but it's not working. See Question&Answers more detail:os...

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