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Can table columns with a Foreign Key be NULL?
...otherwise I would get a constraint violation error (as opposed to an empty string).
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Convert Set to List without creating new List
...ccepts a Collection as an argument, and your set is a Collection.
List<String> mainList = new ArrayList<String>();
mainList.addAll(set);
EDIT: as respond to the edit of the question.
It is easy to see that if you want to have a Map with Lists as values, in order to have k different va...
convert a JavaScript string variable to decimal/money
How can we convert a JavaScript string variable to decimal?
7 Answers
7
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get dictionary key by value
...ce where all fields are initialized with their default value(like null for strings or 0 for ints). So you won't get an exception. But you also don't know if you have found a value, so this answer doesn't cover the case that the value doesn't exist.
– Tim Schmelter
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How to find the length of a string in R
How to find the length of a string (number of characters in a string) without splitting it in R? I know how to find the length of a list but not of a string.
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Get nested JSON object with GSON using retrofit
... then have a Content POJO:
class Content
{
public int foo;
public String bar;
}
Then you write a deserializer:
class MyDeserializer implements JsonDeserializer<Content>
{
@Override
public Content deserialize(JsonElement je, Type type, JsonDeserializationContext jdc)
...
Creating a ZIP Archive in Memory Using System.IO.Compression
...
Just another version of zipping without writing any file.
string fileName = "export_" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".xlsx";
byte[] fileBytes = here is your file in bytes
byte[] compressedBytes;
string fileNameZip = "Export_" + DateTime.Now.ToString("yyyyMMddhhmmss") +...
How to get Resource Name from Resource id
...
In your Activity, try these:
to get string like radio1:
getResources().getResourceEntryName(int resid);
to get string like com.sample.app:id/radio1:
getResources().getResourceName(int resid);
In Kotlin Now :
val name = v.context.resources.getResourceEnt...
What is the difference between Integrated Security = True and Integrated Security = SSPI?
...rated Security. One assigns Integrated Security = true in the connection string, and the other sets Integrated Security = SSPI .
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Moment.js transform to date object
...e linking and referring to is a separate issue and scenario, e.g passing a string into the moment constructor moment("12/12/2011") is where you would get that message. It has nothing to do with going from moment to date obj moment().toDate()
– btbJosh
Nov 15 '1...