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Version of Apache installed on a Debian machine
How can I check which version of Apache is installed on a Debian machine?
17 Answers
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How to Save Console.WriteLine Output to Text File
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Adriaan StanderAdriaan Stander
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How to execute mongo commands through shell scripts?
...th a $ sign, you'll want to surround the eval argument in single quotes to keep the shell from evaluating the operator as an environment variable:
mongo --eval 'db.mycollection.update({"name":"foo"},{$set:{"this":"that"}});' myDbName
Otherwise you may see something like this:
mongo --eval "db.te...
An item with the same key has already been added
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Most likely, you have model which contains the same property twice. Perhaps you are using new to hide the base property.
Solution is to override the property or use another name.
If you share your model, we would be able to elabor...
How to format a phone number with jQuery
I'm currently displaying phone numbers like 2124771000 . However, I need the number to be formatted in a more human-readable form, for example: 212-477-1000 . Here's my current HTML :
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jQuery set radio button
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Your selector looks for the descendant of a input:radio[name=cols] element that has the id of newcol (well the value of that variable).
Try this instead (since you're selecting by ID anyway):
$('#' + newcol).prop('checked',true);
Here is ...
Function return value in PowerShell
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PowerShell has really wacky return semantics - at least when viewed from a more traditional programming perspective. There are two main ideas to wrap your head around:
All output is captured, and returned
The return keyword really just indicates a ...
Declaring array of objects
...rray to act as an object by default. To achieve this, I can do something like this in my code.
15 Answers
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Why do you have to call .items() when iterating over a dictionary in Python?
Why do you have to call items() to iterate over key, value pairs in a dictionary? ie.
2 Answers
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What is the difference between dict.items() and dict.iteritems() in Python2?
...() built a real list of tuples and returned that. That could potentially take a lot of extra memory.
Then, generators were introduced to the language in general, and that method was reimplemented as an iterator-generator method named iteritems(). The original remains for backwards compatibility.
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