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WPF OpenFileDialog with the MVVM pattern? [duplicate]
...hing like the MVVM Toolkit or similar thing (so I can get a base ViewModel and a RelayCommand).
Here's an example of an extremely simple interface for doing basic IO operations like OpenFileDialog and OpenFile. I'm showing them both here so you don't think I'm suggesting you create one interface w...
Possible to access the index in a Hash each loop?
...me thing as (key,value) = arr, putting the first value (the key) into key, and the second into value.
– rampion
Jan 18 '10 at 2:45
1
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How to center horizontally div inside parent div
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I am assuming the parent div has no width or a wide width, and the child div has a smaller width. The following will set the margin for the top and bottom to zero, and the sides to automatically fit. This centers the div.
div#child {
margin: 0 auto;
}
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Can't access object property, even though it shows up in a console log
...misleading; the state of the object displayed is only resolved when you expand the > in the console. It is not the state of the object when you console.log'd the object.
Instead, try console.log(Object.keys(config)), or even console.log(JSON.stringify(config)) and you will see the keys, or the s...
How to make a countdown timer in Android?
...wo EditTexts in XML. In one EditText, the user can put a number as minutes and in another EditText, a number as seconds. After clicking the finish button, the seconds EditText should start to countdown and update its text every second.
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How to check if a String is numeric in Java
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With Apache Commons Lang 3.5 and above: NumberUtils.isCreatable or StringUtils.isNumeric.
With Apache Commons Lang 3.4 and below: NumberUtils.isNumber or StringUtils.isNumeric.
You can also use StringUtils.isNumericSpace which returns true for empty st...
How to convert An NSInteger to an int?
... To be precise, I think NSInteger is an int on 32-bit platforms, and a long on 64-bit platforms.
– Frédéric Adda
Mar 11 '14 at 22:16
5
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Cannot make a static reference to the non-static method
...etText() is non-static you cannot call it from a static method.
To understand why, you have to understand the difference between the two.
Instance (non-static) methods work on objects that are of a particular type (the class). These are created with the new like this:
SomeClass myObject = new Som...
converting a base 64 string to an image and saving it
... This is an excellent solution in my case where I was using mono on Linux and experienced some odd behavior with gdi+ in Image.Save. This solution completely bypasses Image / Gdi+ (See stackoverflow.com/questions/35783690/…)
– Jeff Albrecht
Mar 4 '16 at 4:18...
Generate table relationship diagram from existing schema (SQL Server) [closed]
Is there a way to produce a diagram showing existing tables and their relationships given a connection to a database?
9 Ans...