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Why is it impossible to build a compiler that can determine if a C++ function will change the value
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To be clear, you can write a compiler that can determine that a function does change the variable in some cases, but you can't write one that reliably tells you that the function will or won't change the variable (or halt) for every possible function.
Here's an easy example:
void foo() {
if ...
Eclipse interface icons very small on high resolution screen in Windows 8.1
...a laptop with a 2560x1600 screen with the 200% magnification setting in Windows 8.1 (which makes it looking like a 1280x800 screen but clearer).
Applications that support such "HiDPI" mode look just gorgeous, but the ones that don't (e.g. Eclipse) show tiny icons that are almost unreadable.
I also...
How to pass variable from jade template file to a script file?
...oginName="#{login}";
This is working fine in my script. In Express, I am doing this:
exports.index = function(req, res){
res.render( 'index', { layout:false, login: req.session.login } );
};
I guess the latest jade is different?
Merc.
edit: added "." after script to prevent Jade warning.
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When to use IList and when to use List
...know that IList is the interface and List is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type?
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Which HTML5 tag should I use to mark up an author’s name?
... <address class="author">By <a rel="author" href="/author/john-doe">John Doe</a></address>
on <time pubdate datetime="2011-08-28" title="August 28th, 2011">8/28/11</time>
</div>
</header>
<div class="article-content"...
When would you use a List instead of a Dictionary?
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When you don't need fast lookups on key - maintaining the hashtable used by Dictionary has a certain overhead.
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Bind TextBox on Enter-key press
...ke this:
public static class InputBindingsManager
{
public static readonly DependencyProperty UpdatePropertySourceWhenEnterPressedProperty = DependencyProperty.RegisterAttached(
"UpdatePropertySourceWhenEnterPressed", typeof(DependencyProperty), typeof(InputBindingsManager), new Pr...
How to retrieve a user environment variable in CMake (Windows)
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You can also invoke cmake itself to do this in a cross-platform way:
cmake -E env EnvironmentVariableName="Hello World" cmake ..
env [--unset=NAME]... [NAME=VALUE]... COMMAND [ARG]...
Run command in a modified environment.
Just be aware that this...
How to stop event bubbling on checkbox click
...e checkbox is also inside a container with it's own click behaviour that I don't want to run when the checkbox is clicked. This sample illustrates what I want to do:
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Internet Explorer 11 detection
...se who prefer another solution , without using ActiveX)
var isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
// true on IE11
// false on Edge and other IEs/browsers.
Original Answer
In order to check Ie11 , you can use this : ( tested)
(or run this)
!(window.Act...