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R object identification
... often ending up with a function producing output for which I don't understand the output data type. I'm expecting a list and it ends up being a list of lists or a data frame or something else. What's a good method or workflow for figuring out the output data type when first using a function?
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How do I parse a string with a decimal point to a double?
... XmlConvert class ... do you have any ideas whether this is better, worse, and/or different than using CultureInfo.InvariantCulture?
– ChrisW
Aug 30 '09 at 21:23
1
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How can I filter a date of a DateTimeField in Django?
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Looks like it will land in Django 1.9: github.com/django/django/commit/…
– amjoconn
Oct 22 '15 at 19:45
16
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TransactionScope automatically escalating to MSDTC on some machines?
...t the same time, which would result in multiple "physical" TCP connections and thus require escalation.
I see some of your developers have SQL Server 2005 and others have SQL Server 2008. Are you sure you have correctly identified which ones are escalating and which not?
The most obvious explanati...
C# listView, how do I add items to columns 2, 3 and 4 etc?
... listView1.Items.Add , this works fine but how do I add items to columns 2 and 3 etc?
7 Answers
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Constructor overloading in Java - best practice
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While there are no "official guidelines" I follow the principle of KISS and DRY. Make the overloaded constructors as simple as possible, and the simplest way is that they only call this(...). That way you only need to check and handle the parameters once and only once.
public class Simple {
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Convert all first letter to upper case, rest lower for each word
...case.
The first way is to create a method that simply caps the first char and appends the rest of the string using a substring:
public string UppercaseFirst(string s)
{
return char.ToUpper(s[0]) + s.Substring(1);
}
The second way (which is slightly faster) is to split the string ...
Redirect stderr and stdout in Bash
I want to redirect both stdout and stderr of a process to a single file. How do I do that in Bash?
15 Answers
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How to detect the currently pressed key?
...u haven't answered the question properly. The OP is asking about all keys and used the Shift key as an example only. So how do you detect other keys such as A to Z, 0 to 9 etc.
– Ash
Dec 18 '09 at 10:03
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WPF User Control Parent
...a user control that I load into a MainWindow at runtime. I cannot get a handle on the containing window from the UserControl .
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