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How to insert a character in a string at a certain position?
I'm getting in an int with a 6 digit value. I want to display it as a String with a decimal point (.) at 2 digits from the end of int . I wanted to use a float but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function t...
sed or awk: delete n lines following a pattern
.../,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance.
– N mol
Aug 24 '13 at 2:37
8
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Inheriting from a template class in c++
... create objects from any other class). Another such class would be Area<char>. Note that those are completely different classes, which have nothing in common except for the fact that they were generated from the same class template.
Since Area is not a class, you cannot derive the class Recta...
Format output string, right alignment
...iliar with one of them, the new format seems easier to read. ".format" for string formatting certainly seems more intuitive than percentage/modulo. Right arrow for right alignment seems pretty intuitive too.
– Mark
May 28 '17 at 10:54
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Split large string in n-size chunks in JavaScript
I would like to split a very large string (let's say, 10,000 characters) into N-size chunks.
22 Answers
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How do you count the number of occurrences of a certain substring in a SQL varchar?
... comes to mind is to do it indirectly by replacing the comma with an empty string and comparing the lengths
Declare @string varchar(1000)
Set @string = 'a,b,c,d'
select len(@string) - len(replace(@string, ',', ''))
share
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Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术
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#define PING_TIMES 2 //ping 4 次
typedef struct _IPINFO
{
unsigned char Ttl; // Time To Live
unsigned char Tos; // Type Of Service
unsigned char IPFlags; // IP flags
unsigned char OptSize; // Size of options data
unsigned char FAR *Options; // Options data buffer
}IPINFO;...
How can I reliably get an object's address when operator& is overloaded?
...long ) {
return reinterpret_cast<T*>(
&const_cast<char&>(reinterpret_cast<const volatile char &>(v)));
}
static inline T * f( T * v, int ) { return v; }
};
template<class T>
T * addressof( T & v ) {
return addressof_impl<T>::f( addr_i...
How to find out what character key is pressed?
.../Firefox/Opera
keynum = e.which;
}
alert(String.fromCharCode(keynum));
}
</script>
<form>
<input type="text" onkeypress="return myKeyPress(event)" />
</form>
JQuery:
$(document).keypress(function(event){
alert(String.fromCharCode(ev...
MSTest copy file to test run folder
...stFile1.xml")]
public void ConstructorTest()
{
string file = "testFile1.xml";
Assert.IsTrue(File.Exists(file), "deployment failed: " + file +
" did not get deployed");
}
}
}
...