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How does delete[] know it's an array?

... these days. But there are still some situations where saving a few bytes (from what could be a very high number of memory blocks) can be important. share | improve this answer | ...
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When is null or undefined used in JavaScript? [duplicate]

...accidentally and not get any useful errors for tracking down where it came from. – Dmitry Nov 6 '16 at 4:36 add a comment  |  ...
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Running Windows batch file commands asynchronously

... it prevents the command from being echoed to the console. In batch scripts, sometimes you'll see echo off at the beginning which, when you execute the script, will prevent all the commands from being echoed to the console. The @ is similar but just ...
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No module named setuptools

...ing twilio Using cached twilio-5.3.0.tar.gz Collecting httplib2>=0.7 (from twilio) Using cached httplib2-0.9.2.tar.gz Collecting six (from twilio) Using cached six-1.10.0-py2.py3-none-any.whl Collecting pytz (from twilio) Using cached pytz-2015.7-py2.py3-none-any.whl Building wheels for c...
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Change one value based on another value in pandas

... You can use map, it can map vales from a dictonairy or even a custom function. Suppose this is your df: ID First_Name Last_Name 0 103 a b 1 104 c d Create the dicts: fnames = {103: "Matt", 104: "Mr"} lnames = {103:...
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Favicon not showing up in Google Chrome [duplicate]

...orks in Firefox, not in Chrome or Safari- why? Renaming Try to rename it from favicon.{whatever} to {yourfaviconname}.{whatever} but I would suggest you to still have the normal favicon. This has solved my issue on IE. Base64 approach Found another solution for this which works great! I simply a...
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What is the use of the @ symbol in PHP?

...hable, etc.). But what's the point to still not use it? Let's have a look from two perspectives: As a developer: When @ is used, I have absolutely no idea where to start. If there are hundreds or even thousands of function calls with @ the error could be like everyhwere. No reasonable debugging po...
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How to get HttpClient to pass credentials along with the request?

...rberos is set up correctly on the domain. So, in short you need to switch from using NTLM to Kerberos. For more on Windows Authentication options available to you and how they work start at: http://msdn.microsoft.com/en-us/library/ff647076.aspx ...
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Meteor test driven development [closed]

... I used this page a lot and tried all of the answers, but from my beginner's starting point, I found them quite confusing. Once I had any trouble, I was flummoxed as to how to fix them. This solution is really simple to get started with, if not fully documented yet, so I recommend...
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Use of class definitions inside a method in Java

...can't be seen (i.e. instantiated, its methods accessed without Reflection) from outside the method. Also, it can access the local variables defined in testMethod(), but before the class definition. I actually thought: "No such file will be written." until I just tried it: Oh yes, such a file is crea...