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What's the difference between a single precision and double precision floating point operation?
...ght.
The first bit is the sign bit, S,
the next eight bits are the exponent bits, 'E', and
the final 23 bits are the fraction 'F':
S EEEEEEEE FFFFFFFFFFFFFFFFFFFFFFF
0 1 8 9 31
The value V represented by the word may be determined as follows:
If E=255 and F is non...
How can I recognize touch events using jQuery in Safari for iPad? Is it possible?
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Note that the right answer is the one made by Timothy Perez, this one is not updated.
– EPurpl3
Jul 13 at 11:59
add a comment
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Swift equivalent for MIN and MAX macros
...seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?
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How do I enable C++11 in gcc?
...ake command in a terminal. You may have to install make.
Here's a simple one :
CXX=clang++
CXXFLAGS=-g -std=c++11 -Wall -pedantic
BIN=prog
SRC=$(wildcard *.cpp)
OBJ=$(SRC:%.cpp=%.o)
all: $(OBJ)
$(CXX) -o $(BIN) $^
%.o: %.c
$(CXX) $@ -c $<
clean:
rm -f *.o
rm $(BIN)
It as...
Measuring code execution time
...ilable nuget.org/packages/LogExec). This does the exact same things that @soner-gonul mentioned - but, the usage is clutter free and hides all the boilerplate code. Very helpful when you want to use it very frequently. It also uses Common.Logging so that you can integrate with your preferred logging...
What is an index in SQL?
...es are not unique. I might have a user database and want to query for everyone that lives in Gothenburg. An index on the "city" field would speed up my query. But there are more than 1 user living in Gothenburg so the index must be non-unique.
– Emil Vikström
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What approaches are available to dummy design-time data in WPF?
...locks, etc). But especially when dealing with ItemsControl and the like, one really needs sample data to be visible in the designer so that you can adjust and tweak controls and data templates without having to run the executable.
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Is there a simple, elegant way to define singletons? [duplicate]
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This is false in my opinion. One annoyance about module level interfaces is managing the imports. For example, Python logging is a module level interface. In order to ensure you fully clean up after logging you must call logging.shutdown(). This means...
How do I read an entire file into a std::string in C++?
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One way is to flush the stream buffer into a separate memory stream, and then convert that to std::string:
std::string slurp(std::ifstream& in) {
std::ostringstream sstr;
sstr << in.rdbuf();
return sstr...
Moving multiple files in TFS Source Control
... Team Foundation Server 2008 (SP 1) and I need to move multiple files from one folder to another (to retain file history). In addition to Team Explorer (with SP 1) I've also got the latest TFS Power Tools (October 2008) installed (for Windows Shell integration).
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