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MySQL “NOT IN” query
I wanted to run a simple query to throw up all the rows of Table1 where a principal column value is not present in a column in another table ( Table2 ).
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String.Empty versus “” [duplicate]
...implies, there difference
between String.Empty and “” are pretty
small, but there is a difference. “”
actually creates an object, it will
likely be pulled out of the string
intern pool, but still… while
String.Empty creates no object… so if
you are really looking for ultim...
iOS - forward all touches through a view
...r of other views underneath, which are scrollviews, etc. How can I forward all the touches through this overlay view? It is a subcalss of UIView.
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Angular.js ng-repeat across multiple tr's
...g some useless meta edit.. The correct url should be docs.angularjs.org/api/ng/directive/ngRepeat
– Bill Rawlinson
Jan 31 '18 at 14:55
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When do you use the “this” keyword? [closed]
...declare extension methods
To pass parameters between constructors
To internally reassign value type (struct) value.
To invoke an extension method on the current instance
To cast itself to another type
To chain constructors defined in the same class
You can avoid the first usage by not having membe...
How to specify the default error page in web.xml?
... 2.5, there's no other way than specifying every common HTTP error individually. You need to figure which HTTP errors the enduser could possibly face. On a barebones webapp with for example the usage of HTTP authentication, having a disabled directory listing, using custom servlets and code which ca...
How to set cornerRadius for only top-left and top-right corner of a UIView?
...WillLayoutSubviews() {
super.viewWillLayoutSubviews()
// Call the roundCorners() func right there.
theView.roundCorners(corners: [.topLeft, .topRight], radius: 30)
}
}
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Differences between Perl and PHP [closed]
...ype, of which Perl has three, and the type specifier is part of the name (called a "sigil"), so $foo is a different variable than @foo or %foo.
(related to the previous point) Perl has separate symbol table entries for scalars, arrays, hashes, code, file/directory handles and formats. Each has its o...
How to use string.replace() in python 3.x
... The "re" (regular expression) module has alternatives for (some? all?) deprecated string functions. In this case, re.sub().
– ToolmakerSteve
Dec 13 '13 at 22:19
9
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Click through div to underlying elements
...'scale');
background: none !important;
Here is a basic example page with all the code.
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