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List comprehension in Ruby
To do the equivalent of Python list comprehensions, I'm doing the following:
17 Answers
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JavaScript for…in vs for
Do you think there is a big difference in for...in and for loops? What kind of "for" do you prefer to use and why?
23 Answe...
Difference between Build Solution, Rebuild Solution, and Clean Solution in Visual Studio?
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Build solution will perform an incremental build: if it doesn't think it needs to rebuild a project, it won't. It may also use partially-built bits of the project if they haven't changed (I don't know how far it takes this)
Rebuild solution will clean and then build the solution f...
What's the point of OOP?
...ity or consistency to the approaches that people take to modelling problem domains. All too often, the class is used simply for its syntactic sugar; it puts the functions for a record type into their own little namespace.
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How to disable / enable dialog negative positive buttons?
... public void onClick(DialogInterface arg0, int arg1) {
// DO TASK
}
});
builder.setNegativeButton("NegativeButton",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
// DO TASK
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How do I format a number with commas in T-SQL?
...SQL Server, this issue has never come up since most of the time I would be doing formatting at the presentation layer, but in this case the T-SQL result in SSMS is the presentation.
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How to rename with prefix/suffix?
How do I do mv original.filename new.original.filename without retyping the original filename?
9 Answers
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How do I force my .NET application to run as administrator?
Once my program is installed on a client machine, how do I force my program to run as an administrator on Windows 7?
12 An...
What is the “Execute Around” idiom?
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Basically it's the pattern where you write a method to do things which are always required, e.g. resource allocation and clean-up, and make the caller pass in "what we want to do with the resource". For example:
public interface InputStreamAction
{
void useStream(InputStream...
How do you stop MySQL on a Mac OS install?
...t mysql
brew services stop mysql
brew services restart mysql
MacPorts
sudo port load mysql57-server
sudo port unload mysql57-server
Note: this is persistent after a reboot.
Binary installer
sudo /Library/StartupItems/MySQLCOM/MySQLCOM stop
sudo /Library/StartupItems/MySQLCOM/MySQLCOM start
su...