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Why cast an unused function parameter value to void?

...For example if you do have the following statement: ud; This warning is now suppressed. However now GCC will produce another warning: unused.c:5:5: warning: statement with no effect [-Wunused-value] ud; ^~ This warning tells that the statement ud;, while being syntactically valid C, ...
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How to configure git push to automatically set upstream without -u?

... You can now do git config --global push.default current. – Andrea Bergonzo Feb 12 '18 at 23:03 2 ...
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Tell Ruby Program to Wait some amount of time

... I find until very useful with sleep. example: > time = Time.now > sleep 2.seconds until Time.now > time + 10.seconds # breaks when true share | improve this answer | ...
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How to write a simple database engine [closed]

...ed in learning how a database engine works (i.e. the internals of it). I know most of the basic data structures taught in CS (trees, hash tables, lists, etc.) as well as a pretty good understanding of compiler theory (and have implemented a very simple interpreter) but I don't understand how to go ...
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Hibernate Annotations - Which is better, field or property access?

...ou avoid persisting a calculated value by having property based access? I know you are arguing not to do so but I am not getting the point here. Can you please explain? – Geek Jun 19 '14 at 11:12 ...
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difference between Product Backlog Item and Feature in Team Foundation work item types

...klog Item and then break it down into tasks for your sprint. If you think/know that the new work item won't fit into a single sprint you should create a Feature and identify all the value-providing sprint sized items (Product Backlog Items) that the Feature can be broken down into and use these when...
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How to convert a JSON string to a Map with Jackson JSON

..., from many years ago, seems to be helpful and is still getting upvotes, I now use the GSON library from Google, which I find to be more intuitive. I've got the following code: public void testJackson() throws IOException { ObjectMapper mapper = new ObjectMapper(); File from = new File("a...
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How can I change a secret Gist to public?

... I upload a Gist code and set it to be secret. Now I want to change the gist to public, but I can't find how to set it publi Since May, 9th 2014, it is possible: "Change the visibility of your Gists" You can change the visibility of your Gists whenever you want. When ed...
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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?

...ally transparent? g's supplier might have used mutable anyway. So I won't know. On the other hand, if the default is non-const, and people must add const instead of mutable to function objects, the compiler can actually enforce the const std::function<int(int)> part and now f can assume that g...
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Delete element in a slice

...u want (for example, fmt.Println can take as many arguments as you want). Now, when calling a function, ... does the opposite: it unpacks a slice and passes them as separate arguments to a variadic function. So what this line does: a = append(a[:0], a[1:]...) is essentially: a = append(a[:0], ...