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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
I am trying to write a program where the names of some functions are dependent on the value of a certain macro variable with a macro like this:
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Difference between std::system_clock and std::steady_clock?
... Objects of class steady_clock represent clocks for which values of time_point never decrease as physical time advances and for which values of time_point advance at a steady rate relative to real time. That is, the clock may not be adjusted.
20.11.7.3 [time.clock.hires]/1:
Objects of class hi...
Can I unshelve to a different branch in tfs 2008?
Let's assume that some developer in my team shelved his changes that he did in branch A. And I am working on branch B. Can I unshelve his changes into branch B? (By GUI or command prompt)
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How do I set up a basic Ruby project?
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To get a good start, you can use the bundle gem command and rspec --init.
~/code $ bundle gem my_lib
create my_lib/Gemfile
create my_lib/Rakefile
create my_lib/LICENSE.txt
create my_lib/README.md
create my_lib/.gitignore
create my_lib/my_lib.gemspec
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How do browsers pause/change Javascript when tab or window is not active?
Background: I'm doing some user interface tests that need to detect if people are paying attention or not. But, this question is not about the page visibility API .
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Assigning code to a variable
Is it possible to make a variable, and assign a line of code to it, such as:
5 Answers
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AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
Using AngularJS if I set a simple input text box value to something like "bob" below. The value does not display if the ng-model attribute is added.
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multiprocessing.Pool: When to use apply, apply_async or map?
...with use-cases for Pool.apply , Pool.apply_async and Pool.map . I am mainly using Pool.map ; what are the advantages of others?
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Using emit vs calling a signal as if it's a regular function in Qt
...on that emits a signal, you'll see emit is just gone.
The "magic" happens in the generated code for the signal emitting function, which you can look at by inspecting the C++ code generated by moc.
For example a foo signal with no parameters generates this member function:
void W::foo()
{
QMet...
How can I let a table's body scroll but keep its head fixed in place?
I am writing a page where I need an HTML table to maintain a set size. I need the headers at the top of the table to stay there at all times but I also need the body of the table to scroll no matter how many rows are added to the table. Think a mini version of excel. This seems like a simple task bu...