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How to remove a column from an existing table?
... DROP the CONSTRAINT first, then you will be able to DROP the COLUMN. In order to drop a CONSTRAINT, run:
ALTER TABLE MEN DROP CONSTRAINT {constraint_name_on_column_Lname}
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$watch an object
...are just modifying some property of form object not creating a new one. In order to make it work you can pass true as the third parameter.
$scope.$watch('form', function(newVal, oldVal){
console.log('invoked');
}, true);
It will work but You can use $watchCollection which will be more efficie...
Difference between “process.stdout.write” and “console.log” in node.js?
...tion.
Currently (v0.10.ish):
Console.prototype.log = function() {
this._stdout.write(util.format.apply(this, arguments) + '\n');
};
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Resizing an Image without losing any quality [closed]
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This leaves artifacts on the border of the image sometimes...
– jjxtra
Jan 21 '14 at 5:45
1
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JavaScript loop through json array?
...in ... is a language construct for enumerating object keys in an arbitrary order. That is not the right construct for an array.
– Eric
Aug 14 '13 at 20:18
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How to convert a file into a dictionary?
... @peaxol: We use a generator expression instead of a list comprehension in order to not create an intermediate list.
– Ignacio Vazquez-Abrams
Oct 7 '17 at 19:00
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How to read contacts on Android 2.0
...t you have added
<uses-permission android:name="android.permission.READ_CONTACTS"/>
to your AndroidManifest.xml file, then you can loop through your phone contacts like this:
Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,null, null, null, null);
while (...
How can I pop-up a print dialog box using Javascript?
...ng this in a Blazor app (razor)...
You will need to inject IJSRuntime, in order to perform JSInterop (running javascript functions from C#)
IN YOUR RAZOR PAGE:
@inject IJSRuntime JSRuntime
Once you have that injected, create a button with a click event that calls a C# method:
<MatFAB Icon...
How do I remove all non-ASCII characters with regex and Notepad++?
...ind them with the following expression and remove them:
[\x00-\x1F]+
In order to remove all non-ASCII AND ASCII control characters, you should remove all characters matching this regex:
[^\x1F-\x7F]+
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JPG vs. JPEG image formats
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