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Get a specific bit from byte
...e byte from a byte array which came in via UDP sent from another device. This byte stores the on/off state of 8 relays in the device.
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What is std::string::c_str() lifetime?
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The c_str() result becomes invalid if the std::string is destroyed or if a non-const member function of the string is called. So, usually you will want to make a copy of it if you need to keep it around.
In the case of your example, it appears that the results of c_str() are u...
Shortcuts in Objective-C to concatenate NSStrings
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Two answers I can think of... neither is particularly as pleasant as just having a concatenation operator.
First, use an NSMutableString, which has an appendString method, removing some of the need for extra temp strings.
Second, use an NSArray to concatenate v...
Rails update_attributes without save?
Is there an alternative to update_attributes that does not save the record?
4 Answers
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Get the Highlighted/Selected text
Is it possible to get the highlighted text in a paragraph of a website e.g. by using jQuery?
5 Answers
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How to get the path of a running JAR file?
...r , and I need to know, in the code, in which folder the running foo.jar is.
30 Answers
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Can you Run Xcode in Linux?
Can you run Xcode in Linux? Mac OS X was based on BSD Unix, so is it possible?
13 Answers
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What would be C++ limitations compared C language? [closed]
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This is prompted by a an answer I gave to a current question which asks about a generics library for C - the questioner specifically states that they do not want to use C++.
C is a complete programming language. C is not an a...
What happens to global and static variables in a shared library when it is dynamically linked?
...cation.
By modules, I mean each project in a solution (I work a lot with visual studio!). These modules are either built into *.lib or *.dll or the *.exe itself.
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Height equal to dynamic width (CSS fluid layout) [duplicate]
Is it possible to set same height as width (ratio 1:1)?
9 Answers
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