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What's the best way to send a signal to all members of a process group?
I want to kill a whole process tree. What is the best way to do this using any common scripting languages? I am looking for a simple solution.
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How to show the last queries executed on MySQL?
... a look at the table mysql.general_log
If you prefer to output to a file instead of a table:
SET GLOBAL log_output = "FILE"; the default.
SET GLOBAL general_log_file = "/path/to/your/logfile.log";
SET GLOBAL general_log = 'ON';
I prefer this method to editing .cnf files because:
you're not...
Asynchronously wait for Task to complete with timeout
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How about this:
int timeout = 1000;
var task = SomeOperationAsync();
if (await Task.WhenAny(task, Task.Delay(timeout)) == task) {
// task completed within timeout
} else {
// timeout logic
}
And here's a great blog post "Crafting ...
How do I negate a condition in PowerShell?
How do I negate a conditional test in PowerShell?
4 Answers
4
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Python Pandas merge only certain columns
... Hmmm, I wonder if there should be a native way to do this, like subset in dropna... will put together github issue
– Andy Hayden
Jul 31 '13 at 19:12
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How to generate random SHA1 hash to use as ID in node.js?
I am using this line to generate a sha1 id for node.js:
4 Answers
4
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Foreign key from one app into another in Django
I'm wondering if it's possible to define a foreign key in a models.py file in Django that is a reference to a table in another app?
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
I'm working through some exercises and have got a warning that states:
4 Answers
4
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Get the index of the object inside an array, matching a condition
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As of 2016, you're supposed to use Array.findIndex (an ES2015/ES6 standard) for this:
a = [
{prop1:"abc",prop2:"qwe"},
{prop1:"bnmb",prop2:"yutu"},
{prop1:"zxvz",prop2:"qwrq"}];
index = a.findIndex(x => x.prop2 ==="yutu");
console.log(index...
What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
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With the Factory pattern, you produce instances of implementations (Apple, Banana, Cherry, etc.) of a particular interface -- say, IFruit.
With the Abstract Factory pattern, you provide a way for anyone to provide their own factory. This allows your warehouse to...