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Difference between FetchType LAZY and EAGER in Java Persistence API?
... Students:
The University entity might have some basic properties such as id, name, address, etc. as well as a collection property called students that returns the list of students for a given university:
public class University {
private String id;
private String name;
private String a...
Execute stored procedure with an Output parameter?
...
I think the answer by Jaider below completes this answer since I myself would be interested in the written command and not the mouse solution.
– Alwyn Schoeman
Dec 6 '17 at 2:30
...
Android Studio: Plugin with id 'android-library' not found
...
Instruct Gradle to download Android plugin from Maven Central repository.
You do it by pasting the following code at the beginning of the Gradle build file:
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath ...
The cast to value type 'Int32' failed because the materialized value is null
...from u in context.User
join ch in context.CreditHistory on u.ID equals ch.UserID
where u.ID == userID
select (int?)ch.Amount).Sum() ?? 0;
This first casts to int? to tell the C# compiler that this expression can inde...
Detect when browser receives file download
...figure out how to detect when the browser has received the file, so I can hide the indicator.
22 Answers
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Rails 3 execute custom sql query without a model
...
FWIW, Using empty params is not idiomatic ruby. So do connection.execute rather than connection().execute
– radixhound
Nov 14 '13 at 3:38
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
...It maybe help someone out there. But this is only if you work with Toad inside the tables, and not for querys.
– DatRid
Oct 4 '13 at 9:23
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jQuery selector for the label of a checkbox
...select the label using jQuery? Would it be easier to give the label tag an ID and select that using $(#labelId) ?
5 Answe...
Sass combining parent using ampersand (&) with type selectors
...f you intend to extend the closest selector up the chain. As an example:
#id > .element {
@at-root div#{&} {
color: blue;
}
}
Will compile to:
div#id > .element {
color: blue;
}
What if you need to join your tag to .element instead of #id?
There's a function in...
Method overloading in Objective-C?
...are two different methods, even though they both begin "writeToFile":
-(void) writeToFile:(NSString *)path fromInt:(int)anInt;
-(void) writeToFile:(NSString *)path fromString:(NSString *)aString;
(the names of the two methods are "writeToFile:fromInt:" and "writeToFile:fromString:").
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