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Calling startActivity() from outside of an Activity?

...Please understand the difference between setFlags() and addFlag() methods. All you are doing now is launching an activity with FLAG_ACTIVITY_NEW_TASK. As in the code posted by Cristian below. – JehandadK Mar 21 '12 at 5:18 ...
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Scoping in Python 'for' loops

I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is why the design decisions were made in this way. For example (no pun intended): ...
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Normalizing mousewheel speed across browsers

...re welcome. Edit: One suggestion from @Tom is to simply count each event call as a single move, using the sign of the distance to adjust it. This will not give great results under smooth/accelerated scrolling on OS X, nor handle perfectly cases when the mouse wheel is moved very fast (e.g. wheelDel...
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SQL Joins Vs SQL Subqueries (Performance)?

...explicit JOIN. In my experience IN is a very slow operator, since SQL normally evaluates it as a series of WHERE clauses separated by "OR" (WHERE x=Y OR x=Z OR...). As with ALL THINGS SQL though, your mileage may vary. The speed will depend a lot on indexes (do you have indexes on both ID column...
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Git rebase: conflicts keep blocking progress

I have a git branch (called v4), that was made from master just yesterday. There were a couple of changes to master, that I want to get into v4. So, in v4, I tried to do a rebase from master, and one file keeps screwing things up: a one-line text file, that contains the version number. This file ...
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Clone() vs Copy constructor- which is recommended in java [duplicate]

...rclass since the Beta-release days of the Java compiler*; and it, like all ancient magic, requires the appropriate incantation to prevent the spell from unexpectedly backfiring Prefer a method that copies the object Foo copyFoo (Foo foo){ Foo f = new Foo(); //for all properties in F...
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Converting between java.time.LocalDateTime and java.util.Date

...Date instance has no concept of time-zone. This might seem strange if you call toString() on a java.util.Date, because the toString is relative to a time-zone. However that method actually uses Java's default time-zone on the fly to provide the string. The time-zone is not part of the actual state o...
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Why does DEBUG=False setting make my django Static Files Access fail?

Am building an app using Django as my workhorse. All has been well so far - specified db settings, configured static directories, urls, views etc. But trouble started sneaking in the moment I wanted to render my own beautiful and custom 404.html and 500.html pages. ...
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What is the difference between an int and a long in C++?

... Some compilers even have flags that allow you to modify the default size of int and long ie force them to 8 or 16 etc. See you compiler documentation for details. – Martin York Nov 7 '08 at 17:27 ...
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http HEAD vs GET performance

... would focus on designing the ideal REST interface. A clean REST API is usually more valuable in the long run than a kludgey API that may or may not be faster. I'm not discouraging the use of HEAD, just suggesting that you only use it if it's the "right" design. If the information you need really i...