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TypeScript sorting an array
...issue I ran into with typescript. It was treating an inline Boolean expression as whatever the first value's type was instead of the complete expression.
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How to convert Set to String[]?
... end up to be less efficient.
See also the source code of AbstractCollection#toArray().
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MySQL check if a table exists without throwing an exception
...able exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query?
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How to put the legend out of the plot
...side the figure canvas.
Solutions to this problem are:
Adjust the subplot parameters
One can adjust the subplot parameters such, that the axes take less space inside the figure (and thereby leave more space to the legend) by using plt.subplots_adjust. E.g.
plt.subplots_adjust(right=0.7)
leaves...
What is the C# Using block and why should I use it? [duplicate]
...pe.
Given:
public class SomeDisposableType : IDisposable
{
...implmentation details...
}
These are equivalent:
SomeDisposableType t = new SomeDisposableType();
try {
OperateOnType(t);
}
finally {
if (t != null) {
((IDisposable)t).Dispose();
}
}
using (SomeDisposableType u ...
Long press on UITableView
...er *lpgr = [[UILongPressGestureRecognizer alloc]
initWithTarget:self action:@selector(handleLongPress:)];
lpgr.minimumPressDuration = 2.0; //seconds
lpgr.delegate = self;
[self.myTableView addGestureRecognizer:lpgr];
[lpgr release];
Then in the gesture handler:
-(void)handleLongPress:(UILongPr...
How can I set focus on an element in an HTML form using JavaScript?
...t type="text" id="mytext"/>
Your script would be
<script>
function setFocusToTextBox(){
document.getElementById("mytext").focus();
}
</script>
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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
I was using an UICollectionView in Swift but I get when I try to change the text of the cell's label.
13 Answers
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How can I pad a String in Java?
...rightPad, center and repeat.
But please note that — as others have mentioned and demonstrated in this answer — String.format() and the Formatter classes in the JDK are better options. Use them over the commons code.
sh...
Map implementation with duplicate keys
...
You are searching for a multimap, and indeed both commons-collections and Guava have several implementations for that. Multimaps allow for multiple keys by maintaining a collection of values per key, i.e. you can put a single object into the map, but you retrieve a collection.
If you can ...