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How should I validate an e-mail address?
... provided and it it bounces then it's not valid.
If you want to perform some basic checks you could just check that it's in the form *@*
If you have some business logic specific validation then you could perform that using a regex, e.g. must be a gmail.com account or something.
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SyntaxError: Use of const in strict mode
...e, are turned on by default on Node.js and do NOT require any kind of runtime flag.”. Node.js docs has an overview of what ES2015 features are enabled by default, and which who require a runtime flag. So by upgrading to Node.js 4.x or newer the error should disappear.
To enable some of the ECMASc...
Looking for jQuery find(..) method that includes the current node
The jQuery find(..) traversal method doesn't include the current node - it starts with the children of the current node. What is the best way to call a find operation that includes the current node in its matching algorithm? Looking through the docs nothing immediately jumps out at me.
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Bootstrapping still requires outside support
...ondering how this could be accomplished and looked around a bit, and saw someone say that it could only be done by either
1...
HTML if image is not found
...
The best way to solve your problem:
<img id="currentPhoto" src="SomeImage.jpg" onerror="this.onerror=null; this.src='Default.jpg'" alt="" width="100" height="120">
onerror is a good thing for you :)
Just change the image file name and try yourself.
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Breakpoint on property change
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If you don't mind messing around with the source, you could redefine the property with an accessor.
// original object
var obj = {
someProp: 10
};
// save in another property
obj._someProp = obj.someProp;
// overwrite with accessor
Obje...
How can I see the size of a GitHub repository before cloning it?
...pos/git/git
When retrieving information about a repository, a property named size is valued with the size of the whole repository (including all of its history), in kilobytes.
For instance, the Git repository weights around 124 MB. The size property of the returned JSON payload is valued to 12428...
How to initialize a two-dimensional array in Python?
I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this:
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There is already an open DataReader associated with this Command which must be closed first
... cause this is lazy loading triggered when iterating over the results of some query.
This can be easily solved by allowing MARS in your connection string. Add MultipleActiveResultSets=true to the provider part of your connection string (where Data Source, Initial Catalog, etc. are specified).
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Targeting both 32bit and 64bit with Visual Studio in same solution/project
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Yes, you can target both x86 and x64 with the same code base in the same project. In general, things will Just Work if you create the right solution configurations in VS.NET (although P/Invoke to entirely unmanaged DLLs will most likely require some conditional code): the ...