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Multiple submit buttons in an HTML form
Let's say you create a wizard in an HTML form. One button goes back, and one goes forward. Since the back button appears first in the markup when you press Enter , it will use that button to submit the form.
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How to merge 2 List and removing duplicate values from it in C#
I have two lists List that I need to combine in third list and remove duplicate values from that lists
5 Answers
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How to remove from a map while iterating it?
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The standard associative-container erase idiom:
for (auto it = m.cbegin(); it != m.cend() /* not hoisted */; /* no increment */)
{
if (must_delete)
{
m.erase(it++); // or "it = m.erase(it)" since C++11
}
else
{
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How to get a complete list of object's methods and attributes?
...ble attributes, nothing more. You could though filter callable attributes, and, using the inspect module determine the class methods, methods or functions.
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Read whole ASCII file into C++ std::string [duplicate]
I need to read a whole file into memory and place it in a C++ std::string .
9 Answers
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How can I calculate the number of lines changed between two commits in git?
...rather than specifying commit ranges, just select commits since last week) and --no-merges (merge commits don't actually introduce changes), as well as the pretty output options (--pretty=oneline, short, medium, full...).
Here's a one-liner to get total changes instead of per-commit changes from gi...
How to rethrow the same exception in SQL Server
...al clean code sample to rollback a series of statements if an error occurs and reports the error message.
begin try
begin transaction;
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commit transaction;
end try
begin catch
if @@trancount > 0 rollback transaction;
throw;
end catch
Before SQL 2012
begin try
begin t...
Why are flag enums usually defined with hexadecimal values
...orld of base ten anymore. We're dealing with bits - the machine's world - and we're gonna play by its rules." Hexadecimal is rarely used unless you're dealing with relatively low-level topics where the memory layout of data matters. Using it hints at the fact that that's the situation we're in no...
How do I abort/cancel TPL Tasks?
In a thread, I create some System.Threading.Task and start each task.
12 Answers
12
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Functional style of Java 8's Optional.ifPresent and if-not-Present?
...n Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present.
12 An...