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Do you use NULL or 0 (zero) for pointers in C++?

...with NULL is that people sometimes mistakenly believe that it is different from 0 and/or not an integer. In pre-standard code, NULL was/is sometimes defined to something unsuitable and therefore had/has to be avoided. That's less common these days. If you have to name the null pointer, call it nullp...
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Is it possible to await an event instead of another async method?

...ed. If you have halted your asynchronous code while waiting for the input from the user, then it's just wasting resources while that thread is paused. That said, it's better if in your asynchronous operation, you set the state that you need to maintain to the point where the button is enabled and ...
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How to serialize an object to XML without getting xmlns=“…”?

...et rid of extra xmlns attributes for each element, when serializing to xml from generated classes (e.g.: when xsd.exe was used), so you have something like: <manyElementWith xmlns="urn:names:specification:schema:xsd:one" /> then i would share with you what worked for me (a mix of previous a...
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Use of ~ (tilde) in R programming Language

...myFormula <- Species ~ . . When dot still be substituted with variables from data.frame? Could you provide an example – srghma Mar 13 at 10:19 ...
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How to check for an active Internet connection on iOS or macOS?

....h> Now just call this function: /* Connectivity testing code pulled from Apple's Reachability Example: https://developer.apple.com/library/content/samplecode/Reachability */ +(BOOL)hasConnectivity { struct sockaddr_in zeroAddress; bzero(&zeroAddress, sizeof(zeroAddress)); zer...
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What is a provisioning profile used for when developing iPhone applications?

... A Quote from : iPhone Developer Program (~8MB PDF) A provisioning profile is a collection of digital entities that uniquely ties developers and devices to an authorized iPhone Development Team and enables a device to be used for ...
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How to check if object (variable) is defined in R?

...ed for the need of the specification of the environment when invoking ls() from within a function. So, thank you for that, stackoverflow! There is also an "all.names" attribute that I should have set to true but have omitted. ...
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Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk

... I didn't look into it too closely, but it basically prevented my server from launching until I removed it. It doesn't appear to be necessary. – cdmckay May 18 '15 at 19:38 3 ...
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Comparing Timer with DispatcherTimer

...er high, until I corrected it with this: timer1.Interval = System.TimeSpan.FromSeconds(1); – Lonnie Best Feb 15 '10 at 0:45  |  show 2 more co...
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in entity framework code first, how to use KeyAttribute on multiple columns

...s do work fine. I prefer the Attributes because I'm generating my classes from code, and attributes are much more concise. – GilShalit Feb 10 '11 at 8:29 ...