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Why doesn't Java offer operator overloading?
...-- operator+ would likely deal with values and objects, but operator= is already implemented to deal with references.
In C++, you should only be dealing with one kind of comparison at a time, so it can be less confusing. For example, on Complex, operator= and operator== are both working on values -...
Why there is no ForEach extension method on IEnumerable?
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There is already a foreach statement included in the language that does the job most of the time.
I'd hate to see the following:
list.ForEach( item =>
{
item.DoSomething();
} );
Instead of:
foreach(Item item in list)
{
...
SQL Server 2008: how do I grant privileges to a username?
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If you want to give your user all read permissions, you could use:
EXEC sp_addrolemember N'db_datareader', N'your-user-name'
That adds the default db_datareader role (read permission on all tables) to that user.
There's also a db_datawriter role - which g...
Java's L number (long) specification
...appears that when you type in a number in Java, the compiler automatically reads it as an integer, which is why when you type in (long) 6000000000 (not in integer's range) it will complain that 6000000000 is not an integer. To correct this, I had to specify 6000000000L . I just learned about ...
system(“pause”); - Why is it wrong?
...tinues execution of the program - the console window stays open so you can read the output.
A better idea would be to put a breakpoint at the end and debug it, but that again has problems.
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Can every recursion be converted into iteration?
A reddit thread brought up an apparently interesting question:
17 Answers
17
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Determine the line of code that causes a segmentation fault?
... and display stack traces for any segfaults, as well as any invalid memory reads or writes and memory leaks. It's really quite useful.
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How to have conditional elements and keep DRY with Facebook React's JSX?
...t;/div>
</If>
You have to be careful when you use it. I suggest reading other answers for alternative (safer) approaches.
UPDATE 2: Looking back, this approach is not only dangerous but also desperately cumbersome. It's a typical example of when a developer (me) tries to transfer pattern...
Why aren't python nested functions called closures?
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The question has already been answered by aaronasterling
However, someone might be interested in how the variables are stored under the hood.
Before coming to the snippet:
Closures are functions that inherit variables from their enclosing ...
Utilizing multi core for tar+gzip/bzip compression/decompression
...ust be done serially. The other cores for pigz decompression are used for reading, writing, and calculating the CRC. When compressing on the other hand, pigz gets close to a factor of n improvement with n cores.
– Mark Adler
Feb 20 '13 at 16:18
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