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What are the rules for evaluation order in Java?
...that is assigned in the indexing operation. Precedence and associativity alone say nothing about whether the a[b] is evaluated before or after the b=0.
Again, this is just the same as: A()[B()] = C() -- All we know is that the indexing has to happen before the assignment. We don't know whether A()...
Install Application programmatically on Android
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I just up-voted this too. This form was the only friggin one I could get to work. Still years later.. what's this freakin bug? Hours wasted. I'm using Eclipse(Helios), BTW.
– Tam
Apr 12 '13 at 2:28
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In C# what is the difference between ToUpper() and ToUpperInvariant()?
...ous other capitalization issues around elided characters etc. This is just one example I know off the top of my head... partly because it bit me years ago in Java, where I was upper-casing a string and comparing it with "MAIL". That didn't work so well in Turkey...
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Internal typedefs in C++ - good style or bad style?
...traits and internal typedefs are hardly mutually exclusive... they support one another.
– Dennis Zickefoose
Nov 12 '11 at 16:17
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What is the best IDE to develop Android apps in? [closed]
...tive with a specific environment I don't see why you'd have to learn a new one. Not worth it in my opinion. Plus I'm a big IntelliJ fan. The IntelliJ plugin lets you make apk files and push the app to the emulator, that's all you need for Android app development. I'd say you're safe sticking with In...
Why does integer overflow on x86 with GCC cause an infinite loop?
...ens".
Yes, on x86 CPUs, integers usually wrap the way you expect. This is one of those exceptions. The compiler assumes you won't cause undefined behavior, and optimizes away the loop test. If you really want wraparound, pass -fwrapv to g++ or gcc when compiling; this gives you well-defined (twos-c...
How to hide action bar before activity is created, and then show it again?
I need to implement splash screen in my honeycomb app.
I use this code in activity's onCreate to show splash:
27 Answers
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Painless way to install a new version of R?
...de process for R (probably more relevant on Windows than Linux). Does anyone have a good trick for doing the upgrade, from installing the software to copying all the settings/packages over?
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Why are variables “i” and “j” used for counters?
...s, like if you have a bunch of variables x1, x2, ... xn, then an arbitrary one will be known as xi.
As for why it's that way, I imagine SLaks is correct and it's because I is the first letter in Index.
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Getting the first character of a string with $str[0]
...d I'm pretty sure is much faster than the substr() method).
There is only one caveat with both methods: they will get the first byte, rather than the first character. This is important if you're using multibyte encodings (such as UTF-8). If you want to support that, use mb_substr(). Arguably, you s...