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How to concatenate string variables in Bash
In PHP, strings are concatenated together as follows:
30 Answers
30
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C# using streams
...read from stream, for example StreamReader can be used to read from Stream string not byte[]. if you will give FileStream as a parameter it will read from File, if NetworkStream from socket.
– Arsen Mkrtchyan
Sep 10 '09 at 17:55
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background function in Python
...nd cannot run the function as many times that I want and want to queue the extra executions of the function. Do you have any idea on how I should do that? I have my question here. Could you please take a look at my question? Any help would be great!
– Amir
Mar ...
Why are const parameters not allowed in C#?
...od type system, a type system where when you say "this variable contains a string" that the variable actually contains a reference to a string (or null). We absolutely do not want to put a C-style "const" modifier into the type system because we don't want the type system to be a lie. We want the ty...
Does Java have buffer overflows?
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Since Java Strings are based on char arrays and Java automatically checks array bounds, buffer overflows are only possible in unusual scenarios:
If you call native code via JNI
In the JVM itself (usually written in C++)
The interprete...
What is the use of having destructor as private?
...you don't want to delete main class through the pointer to class that adds extra functionality to the main.
In the example below I don't want GuiWindow to be deleted through a HandlerHolder pointer.
class Handler
{
public:
virtual void onClose() = 0;
protected:
virtual ~Handler();
};
clas...
Remove Trailing Spaces and Update in Columns in SQL Server
...('Amit Tech Corp '))
LTRIM - removes any leading spaces from left side of string
RTRIM - removes any spaces from right
Ex:
update table set CompanyName = LTRIM(RTRIM(CompanyName))
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impr...
Generic htaccess redirect www to non-www
...NE,L]
Note that I used NE flag to prevent apache from escaping the query string. Without this flag, apache will change the requested URL http://www.example.com/?foo%20bar to http://www.example.com/?foo%2250bar
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When to use reinterpret_cast?
... Nice example! I would replace short for uint16_t and unsigned char for uint8_t to make it less obscure for human.
– Jan Turoň
Aug 27 '18 at 9:41
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How can I initialize base class member variables in derived class constructor?
...ase from Member idiom. It's not a code free solution, you'd have to add an extra layer of inheritance, but it gets the job done. To avoid boilerplate code you could use boost's implementation
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