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Understanding prototypal inheritance in JavaScript
...understand how the derived object gets the methods and properties from the base object if the base object constructor is not called. Does the derived object prototype look at the base object and adds everything the derived object does not have? Or the base object prototype has the methods and proper...
How do I delete unpushed git commits?
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But if you had several commits on the wrong branch, that is where git rebase --onto shines:
Suppose you have this:
x--x--x--x <-- master
\
-y--y--m--m <- y branch, with commits which should have been on master
, then you can mark master and move it where you woul...
The specified named connection is either not found in the configuration, not intended to be used wit
...to do is right clicking on your model and selecting "Update Model From Database..." then follow the wizard to update your confing and designer to reflect this change.
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getMonth in javascript gives previous month
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why the would someone want it 0 based if getDate gives 1-31?
– Abhinav Gauniyal
May 8 '17 at 8:37
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Mythical man month 10 lines per developer day - how close on large projects? [closed]
... modules, I am proud to have contributed a negative line count to the code base. Identifying which areas of code have grown unnecessary complexity and can be simplified with a cleaner and clearer design is a useful skill.
Of course some problems are inherently complex and required complex solutions...
What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
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From the W3 Schools reference site:
<area />
<base />
<basefont />
<br />
<hr />
<input />
<img />
<link />
<meta />
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'any' vs 'Object'
...TypeScript, but adds no members. Since type compatibility in TypeScript is based on structural subtyping, not nominal subtyping, c ends up being the same as b because they have the same interface: the Object interface.
And that's why
a.doSomething(); // Ok: the compiler trusts you on that
b.doSom...
Generate random string/characters in JavaScript
... javascript takes an optional parameter to convert the number into a given base. If you pass two, for example, you'll see your number represented in binary. Similar to hex (base 16), base 36 uses letters to represent digits beyond 9. By converting a random number to base 36, you'll wind up with a bu...
What is meant by the term “hook” in programming?
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Hooks are a category of function that allows base code to call extension code. This can be useful in situations in which a core developer wants to offer extensibility without exposing their code.
One usage of hooks is in video game mod development. A game may not allow...
How to detect user inactivity in Android
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I came up with a solution that I find quite simple based on Fredrik Wallenius's answer. This a base activity class that needs to be extended by all activities.
public class MyBaseActivity extends Activity {
public static final long DISCONNECT_TIMEOUT = 300000; // 5 min ...