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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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Install dependencies globally and locally using package.json
...t common setup for npm where global Node package installs required sudo. One option is to change your npm configuration so this isn't necessary:
npm config set prefix ~/npm, add $HOME/npm/bin to $PATH by appending export PATH=$HOME/npm/bin:$PATH to your ~/.bashrc.
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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...
mysqli or PDO - what are the pros and cons? [closed]
... stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
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Invert “if” statement to reduce nesting
...ng the 2nd and 3rd "if" to "else if" to increase readability even more. If one overlooks the "return" statement it would still be clear that the following case is only checked if the previous one failed, i.e. that the order of the checks is important.
– foraidt
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