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What is Full Text Search vs LIKE
... word
ranking—measuring the
similarity of a matching record to
the query string
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How to tell if a tag failed to load
...ISS IMHO).
From the spec:
If the src attribute's value is the
empty string or if it could not be
resolved, then the user agent must
queue a task to fire a simple event
named error at the element, and
abort these steps.
~
If the load resulted in an error (for
example a DNS erro...
Enums and Constants. Which to use when?
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What if you end up using .ToString() on the enum a lot, any value in using a class with const strings that looks and acts like an enum but circumvents a call to ToString()? Example
– Sinjai
Jan 29 '18 at 0:28
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Printing newlines with print() in R
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An advantage is that you don't have to remember to append a "\n" to the string passed to cat() to get a newline after your message. E.g. compare the above to the same cat() output:
> cat("File not supplied.\nUsage: ./program F=filename")
File not supplied.
Usage: ./program F=filename>
an...
Why do we always prefer using parameters in SQL statements?
...ase, it looks like you're using .NET. Using parameters is as easy as:
C#
string sql = "SELECT empSalary from employee where salary = @salary";
using (SqlConnection connection = new SqlConnection(/* connection info */))
using (SqlCommand command = new SqlCommand(sql, connection))
{
var salaryP...
What do 3 dots next to a parameter type mean in Java?
What do the 3 dots following String in the following method mean?
12 Answers
12
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Send POST data using XMLHttpRequest
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Is it possible to send an object in params instead of a string like in jQuery?
– Vadorequest
Sep 7 '14 at 11:27
4
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Change MySQL default character set to UTF-8 in my.cnf?
Currently we are using the following commands in PHP to set the character set to UTF-8 in our application.
18 Answers
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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...
Using C++ library in C code
... with extern "C":
extern "C" int foo(char *bar)
{
return realFoo(std::string(bar));
}
Then, you will call foo() from your C module, which will pass the call on to the realFoo() function which is implemented in C++.
If you need to expose a full C++ class with data members and methods, then yo...