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You have not concluded your merge (MERGE_HEAD exists)
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This saved me from a nasty merge conflict loop.
– Sledge
Jul 15 '19 at 15:56
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how to read System environment variable in Spring applicationContext
...ties(prefix="my.properties.prefix")
public class MyProperties {
// value from my.properties.prefix.myProperty will be bound to this variable
String myProperty;
// and this will even throw a startup exception if the property is not found
@javax.validation.constraints.NotNull
String myRequi...
Function to convert column number to letter?
...es anyone have an Excel VBA function which can return the column letter(s) from a number?
28 Answers
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How Do I Take a Screen Shot of a UIView?
...xt:UIGraphicsGetCurrentContext()];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
It is considerably faster then the existing renderInContext: method.
Reference: https://developer.apple.com/library/content/qa/qa1817/_index.h...
Overriding == operator. How to compare to null? [duplicate]
...lso agree that it can be simplified without loosing readability. Example: from if (System.Object.ReferenceEquals(rhs, null)) to return false; can be replaced by return System.Object.ReferenceEquals(rhs, null);
– Eric
Apr 26 '18 at 14:52
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Renaming the current file in Vim
...wer! But I have a small problem with it, because you have to type the path from the root of the working tree; and this often gets rather lengthy in any project. Is there a solution to this?
– xor
Sep 16 '15 at 13:06
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How do I check if the Java JDK is installed on Mac?
...sage: java_home [options...]
Returns the path to a Java home directory from the current user's settings.
Options:
[-v/--version <version>] Filter Java versions in the "JVMVersion" form 1.X(+ or *).
[-a/--arch <architecture>] Filter JVMs matching architecture (i...
How to Validate a DateTime in C#?
...arators, e.g. 011508.
Here's an example of how to support this. (This is from a framework I'm building, so its signature is a little weird, but the core logic should be usable):
private static readonly Regex ShortDate = new Regex(@"^\d{6}$");
private static readonly Regex LongDate = new R...
How to get config parameters in Symfony2 Twig Templates
... Thanks for this, I was worried I had to duplicate the parameter from the parameters file to the twig globals.
– Joe Yahchouchi
Jan 2 '18 at 0:30
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Multidimensional Array [][] vs [,] [duplicate]
...s a rectangular 3-by-3 two-dimensional array, initializing it with numbers from 0 to 8:
int [,] matrix = new int [3, 3];
for (int i = 0; i < matrix.GetLength(0); i++)
for (int j = 0; j < matrix.GetLength(1); j++)
matrix [i, j] = i * 3 + j;
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