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How to check if a Constraint exists in Sql server?
...nts" such as Foreign Key constraints or Primary Key constraints, etc. For best results, always include the appropriate object type as the second parameter for the OBJECT_ID function:
Constraint Object Types:
C = CHECK constraint
D = DEFAULT (constraint or stand-alone)
F = FOREIGN KEY constraint
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contenteditable change events
... IE (11+).
New API to understand
Not a lot of information available yet on best practices or case studies
Learn more:
I wrote a little snippet to compare using MutationObserers to handling a variety of events. I used balupton's code since his answer has the most upvotes.
Mozilla has an excellen...
How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
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The best solution is to extract properties from object and make them flat dot-notation key-value pairs. You could use for example this library:
https://www.npmjs.com/package/mongo-dot-notation
It has .flatten function that all...
Convert RGBA PNG to RGB with PIL
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This is the best solution to me because all of my images do not have alpha channel.
– lenhhoxung
Oct 11 '16 at 8:42
2...
When is null or undefined used in JavaScript? [duplicate]
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I find that some of these answers are vague and complicated, I find the best way to figure out these things for sure is to just open up the console and test it yourself.
var x;
x == null // true
x == undefined // true
x === null // false
x === undefined // true
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Symbolic links and synced folders in Vagrant
... a 7+ year old bug). Avoid using it.
rsync type synced folder may be your best choice.
You mentioned that it crashed, what version of rsync are you running? Try to update it to 3.1.0 via brew, I know the OOTB one is way too old (2.x), which could be causing issues.
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What is the difference between std::array and std::vector? When do you use one over other? [duplicat
...te more with C-style arrays.
Think of it as the C++ committee doing their best to kill off almost all legitimate use of C-style arrays.
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Convert from enum ordinal to enum type
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+1 this is by far the best solution IMHO because one can pass ordinals around especially in android.os.Message.
– likejudo
Jun 22 '17 at 17:14
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UILabel text margin [duplicate]
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The best approach to add padding to a UILabel is to subclass UILabel and add an edgeInsets property. You then set the desired insets and the label will be drawn accordingly.
OSLabel.h
#import <UIKit/UIKit.h>
@interface ...
How do lexical closures work?
...ment, i is mutated, and the closures all refer to the same i.
Here is the best solution I can come up with - create a function creater and invoke that instead. This will force different environments for each of the functions created, with a different i in each one.
flist = []
for i in xrange(3):
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