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Using Python 3 in virtualenv
...change the current environment's python interpreter rather than creating a new environment?
– Charlie Parker
Aug 28 '16 at 21:36
...
How to change the text of a button in jQuery?
...='btnAddProfile'>
$("#btnAddProfile").prop('value', 'Save'); //versions newer than 1.6
<!-- Different button types-->
<button id='btnAddProfile' type='button'>Add</button>
$("#btnAddProfile").html('Save');
Your button could also be a link. You'll need to post some HTML for a...
Razor View Engine : An expression tree may not contain a dynamic operation
...
it was an uppercase m that did it for me
– whossname
May 3 '16 at 11:30
...
Convert a bitmap into a byte array
...blic static byte[] ImageToByte(Image img)
{
ImageConverter converter = new ImageConverter();
return (byte[])converter.ConvertTo(img, typeof(byte[]));
}
This one is convenient because it doesn't require a lot of code.
Memory Stream
public static byte[] ImageToByte2(Image img)
{
using ...
Why is processing a sorted array faster than processing an unsorted array?
...stages. So we do not have to wait for one instruction to finish to start a new one. This is called pipelining.
In a branch case, the following instruction is determined by the preceding one, so we cannot do pipelining. We have to either wait or predict.
In a conditional move case, the execution co...
Difference between console.log() and console.debug()?
...is selected.
– cilf
Oct 18 '17 at 0:51
...
How do I use arrays in C++?
... dimensions except the first must be known at compile time:
int (*p)[7] = new int[6][7]; // okay
int (*p)[7] = new int[H][7]; // okay
int (*p)[W] = new int[6][W]; // ISO C++ forbids variable length array
int (*p)[W] = new int[H][W]; // ISO C++ forbids variable length array
This is how an...
How to check whether an object is a date?
...tanceof operator, i.e. But it will return true for invalid dates too, e.g. new Date('random_string') is also instance of Date
date instanceof Date
This will fail if objects are passed across frame boundaries.
A work-around for this is to check the object's class via
Object.prototype.toString.ca...
How to run Unix shell script from Java code?
... Builder. It is really built for this kind of thing.
ProcessBuilder pb = new ProcessBuilder("myshellScript.sh", "myArg1", "myArg2");
Map<String, String> env = pb.environment();
env.put("VAR1", "myValue");
env.remove("OTHERVAR");
env.put("VAR2", env.get("VAR1") + "suffix");
pb.directory(...
ASP.NET MVC: Custom Validation by DataAnnotation
...
if (totalLength < this.MinLength)
{
return new ValidationResult(this.FormatErrorMessage(validationContext.DisplayName));
}
return null;
}
}
and then you might have a view model and decorate one of its properties with it:
public class MyViewModel...