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Get type of all variables
... delays caused by round trip casts/coercions that occur when assigning and reading data to and from disk.
Ideology around R's triad typing system:
R's duck typing system has uncertainty in it. As an analogy, consider a ceramic cup, it can be used to hold a liquid, or used as a projectile like a b...
How can I check if a key exists in a dictionary? [duplicate]
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Interesting, I remember that I read somewhere in the official docs that it is better to ask for forgiveness than permission...
– Yannic Hamann
Jan 15 at 6:36
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How do I get both STDOUT and STDERR to go to the terminal and a log file?
...inish before moving on. More on this here.
The first tee process, which is reading from the_cmd's stdout, writes a copy of that stdout back to the caller because that's what tee does. Its outputs are not redirected, so they make it back to the caller unchanged
The second tee process has it's stdout ...
How do I use extern to share variables between source files?
...ou're not an experienced C programmer, you could (and perhaps
should) stop reading here.
Not so good way to define global variables
With some (indeed, many) C compilers, you can get away with what's
called a 'common' definition of a variable too.
'Common', here, refers to a technique used in Fortra...
Why must jUnit's fixtureSetup be static?
...begins a transaction on after (test) it rolls it back again.
This isn't thread-safe but can be made to be so.
Selected code of JPAConnection.class
package com.triodos.general.junit;
import com.triodos.log.Logger;
import org.jetbrains.annotations.NotNull;
import org.junit.rules.ExternalResource;
...
Visual Studio support for new C / C++ standards?
I keep reading about C99 and C++11 and all these totally sweet things that are getting added to the language standard that might be nice to use someday. However, we currently languish in the land of writing C++ in Visual Studio.
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How can I cast int to enum?
...var e2 = (MyEnum)6;
Console.WriteLine("{0} {1}", e1, e2);
Console.ReadLine();
}
Note that casting to e2 also works! From the compiler perspective above this makes sense: the value__ field is simply filled with either 5 or 6 and when Console.WriteLine calls ToString(), the name of e1 is re...
How can I make text appear on next line instead of overflowing? [duplicate]
...at others suggested, but it's a working solution until all major browsers (read IE) implement CSS3.
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How to trigger Autofill in Google Chrome?
...ke the answer from Katie has more up-to-date information than mine. Future readers: give your up-votes to her answer.
This is a great question and one for which documentation is surprisingly hard to come by. Actually, in many cases you will find that the Chrome Autofill functionality "just works." ...
What should every developer know about databases? [closed]
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If you found reading this monster dautning, imagine what it felt like to write it! I didn't set out to write an essay. Once I got started, it just seemed to flow. Whoever added the bolding really helped the readers, IMO.
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