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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?

...rator<<(std::endl);. and since there is a free function which takes char const* as second argument, "\n" works; '\n' would work as well. – Nawaz Jun 6 '16 at 5:42 ...
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How do you check if a JavaScript Object is a DOM Object?

... && typeof o.nodeType === "number" && typeof o.nodeName==="string" ); } //Returns true if it is a DOM element function isElement(o){ return ( typeof HTMLElement === "object" ? o instanceof HTMLElement : //DOM2 o && typeof o === "object" && o !== null ...
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Is it possible to import a whole directory in sass using @import?

...rails/sass-rails, features glob importing. @import "foo/*" // import all the files in the foo folder @import "bar/**/*" // import all the files in the bar tree To answer the concern in another answer "If you import a directory, how can you determine import order? There's no way that doesn't...
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Should I be using object literals or constructor functions?

....bar; } However, this is not favorable with regards to encapsulation: Ideally, all the data + behaviour associated with an entity should live together. share | improve this answer | ...
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What is a stack trace, and how can I use it to debug my application errors?

...this, we can open up Book.java and look at line 16, which is: 15 public String getTitle() { 16 System.out.println(title.toString()); 17 return title; 18 } This would indicate that something (probably title) is null in the above code. Example with a chain of exceptions Sometimes ap...
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Consequences of using graft in Mercurial

...ng does not alter the topology of the graph. Q3: Has mercurial stored/used extra information about the graft operation to help it with the merge? A3: No. Q4: What are the potential problems with a flow like this? A4: From a merge perspective it should work okay. It will duplicate some history whic...
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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p

... byte accesses are atomic (although not ordered) which is why I went with "char" for my example... But I am not even 100% sure about that... If you want to suggest any good "tutorial" references I will add them to my answer – Nemo Jun 12 '11 at 0:39 ...
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Android: create a popup that has multiple selection options

... You can create a String array with the options you want to show there and then pass the array to an AlertDialog.Builder with the method setItems(CharSequence[], DialogInterface.OnClickListener). An example: String[] colors = {"red", "green"...
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Using ping in c#

... using System.Net.NetworkInformation; public static bool PingHost(string nameOrAddress) { bool pingable = false; Ping pinger = null; try { pinger = new Ping(); PingReply reply = pinger.Send(nameOrAddress); pingable = reply.Status == IPStatus.Success;...
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Can anyone explain this strange behavior with signed floats in C#?

...ch takes an immutable object and, if it hasn't been cached yet, performs ToString on it and caches the result; if it has been cached, simply return the cached string. Not an unreasonable thing to do, but it would fail badly with Decimal since two values might compare equal but yield different strin...