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What is “overhead”?

... Overhead typically reffers to the amount of extra resources (memory, processor, time, etc.) that different programming algorithms take. For example, the overhead of inserting into a balanced Binary Tree could be much larger than the same insert into a simple Linked Li...
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When to use IList and when to use List

...List<T> but had to later change to use a custom list library for the extra functionality it provided. Because I'd only returned an IList<T> none of the people that used the library had to change their code. Of course that only need apply to methods that are externally visible (i.e. publ...
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How to sleep for five seconds in a batch file/cmd [duplicate]

...ait for. If the accuracy of the wait time is important (ie a second or two extra delay is not acceptable), you can use this approach: powershell -command "$sleepUntil = [DateTime]::Parse('%date% %time%').AddSeconds(5); $sleepDuration = $sleepUntil.Subtract((get-date)).TotalMilliseconds; start-sleep...
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Java Class that implements Map and keeps insertion order?

...you iterate over the keySet(), entrySet() or values() of the map. Map<String, String> map = new LinkedHashMap<String, String>(); map.put("id", "1"); map.put("name", "rohan"); map.put("age", "26"); for (Map.Entry<String, String> entry : map.entrySet()) { System.out.println(e...
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Execution failed app:processDebugResources Android Studio

...etail?id=42752. The cause usually seems to be a reference to a nonexistent string in one of your menu resources. share | improve this answer | follow | ...
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Why doesn't Java offer operator overloading?

...ounds C++ operator overloading is supposed to be? We could overload the toString() method of a MyComplexNumber class to have it return the stringified hour of the day. Should the toString() overloading be banned, too? We could sabotage MyComplexNumber.equals to have it return a random value, modify...
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Hash function that produces short hashes?

Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly. ...
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Is 1.0 a valid output from std::generate_canonical?

...curs quite often in real-world calculations) when x is close to zero. The "extra precision" near multiples of π is generally just a side effect of that. – Ilmari Karonen Sep 4 '14 at 20:16 ...
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Dependent DLL is not getting copied to the build output folder in Visual Studio

...tput folder. (It would be copied to the ProjectX output folder, to make it extra-confusing.) So, if you're not explicitly using any of the types from abc.dll anywhere in ProjectX, then put a dummy declaration somewhere in one of the files in ProjectX. AbcDll.AnyClass dummy006; // this will be enou...
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Convert Pandas column containing NaNs to dtype `int`

... The OP wants a column of integers. Converting it to string does not meet the condition. – Rishab Gupta Feb 21 '19 at 1:33 1 ...