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C# nullable string error
...eclare typeOfContract as string and simply check for null after getting it from the query string. Or use String.IsNullOrEmpty if you want to handle empty string values the same as null.
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Python int to binary string?
...t as a guideline on how it could be done.
The general idea is to use code from (in order of preference):
the language or built-in libraries.
third-party libraries with suitable licenses.
your own collection.
something new you need to write (and save in your own collection for later).
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Programmatic equivalent of default(Type)
...tting them to "default" - this works brilliantly. I use it when converting from a SqlDataReader to an object using reflection.
– Arno Peters
Jun 23 '13 at 9:13
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What is android:weightSum in android, and how does it work?
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Don't see a good explanation of weightSum parameter, so from docs: "This can be used for instance to give a single child 50% of the total available space by giving it a layout_weight of 0.5 and setting the weightSum to 1.0." See developer.android.com/reference/android/widget/…
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UITableView load more when scrolling to bottom like Facebook application
... - scrollView.frame.size.height
// Change 10.0 to adjust the distance from bottom
if maximumOffset - currentOffset <= 10.0 {
self.loadMore()
}
}
Method 2: Reached last row
And here is the Swift version of shinyuX's answer. It checks if the user has reached the last row.
f...
Referring to a file relative to executing script
...do I determine the location of my script? I want to read some config files from the same place."
Any solution isn't going to work 100% of the time:
It is important to realize that in the general case, this problem has no solution. Any approach you might have heard of, and any approach that will...
Measuring text width to be drawn on Canvas ( Android )
...this is very subjective and dependent on the font.
For example the width from measure text bounds may actually look too small:
However when adding an additional text the bounds for one letter looks normal:
Images taken from Android Developers Guide to Custom Canvas Drawing
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C++ catch blocks - catch exception by value or reference? [duplicate]
...ose for your example that there is another type MyException which inherits from CustomException and overrides items like an error code. If a MyException type was thrown your catch block would cause it to be converted to a CustomException instance which would cause the error code to change.
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PHP: Move associative array element to beginning of array
...d to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be used, and the matching elements from the right-hand array will be ignored.
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HTTP authentication logout via PHP
... even one that's consistent across browsers.
This is a problem that comes from the HTTP specification (section 15.6):
Existing HTTP clients and user agents typically retain authentication
information indefinitely. HTTP/1.1. does not provide a method for a
server to direct clients to dis...