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Convert INT to VARCHAR SQL
... STR() gives whitespaces on the front of the variable you convert to string. It can be a good choise to convert decimal variables but not for Int.
– Ebleme
Feb 27 '19 at 10:38
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Get the value of an instance variable given its name
In general, how can I get a reference to an object whose name I have in a string?
2 Answers
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include external .js file in node.js app
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// Define Car model
CarSchema = new Schema({
brand : String,
type : String
});
mongoose.model('Car', CarSchema);
}
module.exports.make = make;
share
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improve t...
MVC3 DropDownListFor - a simple example?
...d to map the value that is selected on this drop-down back into the simple string property on my view model?
4 Answers
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Using the “final” modifier whenever applicable in Java [closed]
...igned more than once, you discourage overbroad scoping. Instead of this:
String msg = null;
for(int i = 0; i < 10; i++) {
msg = "We are at position " + i;
System.out.println(msg);
}
msg = null;
You are encouraged to use this:
for(int i = 0; i < 10; i++) {
final String m...
How can I dynamically create a selector at runtime with Objective-C?
...dName:) but what I want to do is create a selector dynamically from an NSString . Is this even possible?
4 Answers
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Retrieve version from maven pom.xml in code
...va.io.IOException;
public class Application {
public static void main(String[] args) throws IOException, XmlPullParserException {
MavenXpp3Reader reader = new MavenXpp3Reader();
Model model = reader.read(new FileReader("pom.xml"));
System.out.println(model.getId());
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MySQL - ORDER BY values within IN()
...'A', 'D', 'E', 'C')
The FIELD function returns the position of the first string in the remaining list of strings.
However, it is much better performance-wise to have an indexed column that represents your sort order, and then sort by this column.
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Assignment inside lambda expression in Python
...tes, but you can also use a.count(""), for example, to only restrict empty strings.
Needless to say, you can do this but you really shouldn't. :)
Lastly, you can do anything in pure Python lambda: http://vanderwijk.info/blog/pure-lambda-calculus-python/
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What does the [Flags] Enum Attribute mean in C#?
...able this by itself - all it does is allow a nice representation by the .ToString() method:
enum Suits { Spades = 1, Clubs = 2, Diamonds = 4, Hearts = 8 }
[Flags] enum SuitsFlags { Spades = 1, Clubs = 2, Diamonds = 4, Hearts = 8 }
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var str1 = (Suits.Spades | Suits.Diamonds).ToString();
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