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How to use PHP OPCache?
...you will first have to enable it. To do this you would have to do the following.
Add the following line to your php.ini:
zend_extension=/full/path/to/opcache.so (nix)
zend_extension=C:\path\to\php_opcache.dll (win)
Note that when the path contains spaces you should wrap it in quotes:
zend_exten...
How to override equals method in Java
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The winning answer on this question has an excellent explanation of why you override hashCode() stackoverflow.com/a/27609/1992108
– Pegasaurus
Apr 12 '18 at 16:16
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Why should I avoid using Properties in C#?
...
write-only; field access is always
readable and writable.
This is a win for properties, since you have more fine-grained control of access.
A property method may throw an
exception; field access never throws
an exception.
While this is mostly true, you can very well call a method on...
How do I check if a list is empty?
For example, if passed the following:
27 Answers
27
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Suppress warning CS1998: This async method lacks 'await'
...int result = ...;
return Task.FromResult(result);
}
In the case of throwing NotImplementedException, the procedure is a bit more wordy:
public Task<int> Fail() // note: no "async"
{
var tcs = new TaskCompletionSource<int>();
tcs.SetException(new NotImplementedException());
ret...
What is a race condition?
... thread changed x in between the check and act. You have no real way of knowing.
In order to prevent race conditions from occurring, you would typically put a lock around the shared data to ensure only one thread can access the data at a time. This would mean something like this:
// Obtain lock fo...
MongoDB vs. Cassandra [closed]
...han you would in your present database. This would be the most significant win for Mongo.
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Test if lists share any items in python
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Thanks, @Dave. :) I agree removing the lambda is a win.
– Matthew Flaschen
Jul 3 '10 at 23:31
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Surrogate vs. natural/business keys [closed]
...JECT'
and k.task_code = 'BUILD';
Unless anyone seriously thinks the following is a good idea?:
select sum(t.hours)
from timesheets t
where t.dept_id = 34394
and t.status_id = 89
and t.project_id = 1253
and t.task_id = 77;
"But" someone will say, "what happens when the code for MYPROJECT or ...
How do I create a self-signed certificate for code signing on Windows?
...o I create a self-signed certificate for code signing using tools from the Windows SDK?
5 Answers
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