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Ruby: How to iterate over a range, but in set increments?
...g, passing each nth element to the block. If the range contains numbers or strings, natural ordering is used. Otherwise step invokes succ to iterate through range elements. The following code uses class Xs, which is defined in the class-level documentation.
range = Xs.new(1)..Xs.new(10)
range.step(...
What's wrong with Java Date & Time API? [closed]
...e are a similar number of ++ and -- on the months in order to convert to a string.
They're mutable. As a result, any time you want to give a date back (say, as an instance structure) you need to return a clone of that date instead of the date object itself (since otherwise, people can mutate your st...
Rails - Nested includes on Active Records?
... I think you mean as_json -- otherwise this renders the JSON string.
– Meekohi
Apr 5 '17 at 15:48
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BigDecimal setScale and round
...of your BigDecimal getting set? How are you outputting the value (using a String.format() might hide significant digits)?
– dale peters
Oct 25 '16 at 14:58
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What is the Oracle equivalent of SQL Server's IsNull() function?
...C> COALESCE-- this same syntax works on Oracle. If your data has empty strings instead of NULLS you might need something like this: COALESCE(TRIM(Tbl.myField1), TRIM(Tbl.myField2)) AS "myNewField".
– SherlockSpreadsheets
May 1 '19 at 16:33
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Rails: Logging the entire stack trace of an exception
.... While the logger itself is thread safe. Usually I join my message in one string then log it.
– Morozov
Dec 15 '15 at 10:31
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What is default session timeout in ASP.NET?
...|UseDeviceProfile]"
regenerateExpiredSessionId="[True|False]"
sqlConnectionString="sql connection string"
sqlCommandTimeout="number of seconds"
allowCustomSqlDatabase="[True|False]"
useHostingIdentity="[True|False]"
stateConnectionString="tcpip=server:port"
stateNetworkTimeout="number of seconds"
cu...
Go: panic: runtime error: invalid memory address or nil pointer dereference
...pe AnimalSounder interface {
MakeNoise()
}
type Dog struct {
Name string
mean bool
BarkStrength int
}
func (dog *Dog) MakeNoise() {
//implementation
}
I forgot the *(dog Dog) part, I do not recommend it. Then you get into ugly trouble when calling MakeNoice on an AnimalSounde...
Set background color of WPF Textbox in C# code
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You can convert hex to RGB:
string ccode = "#00FFFF00";
int argb = Int32.Parse(ccode.Replace("#", ""), NumberStyles.HexNumber);
Color clr = Color.FromArgb(argb);
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Python Dictionary to URL Parameters
I am trying to convert a Python dictionary to a string for use as URL parameters. I am sure that there is a better, more Pythonic way of doing this. What is it?
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