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How to “test” NoneType in python?
...value. So how can I question a variable that is a NoneType? I need to use if method, for example
7 Answers
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Why does base64 encoding require padding if the input length is not divisible by 3?
...e lost, as might happen, for example, in a very simple network protocol.
If unpadded strings are concatenated, it's impossible to recover the original data because information about the number of odd bytes at the end of each individual sequence is lost. However, if padded sequences are used, there...
Java switch statement multiple cases
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Sadly, it's not possible in Java. You'll have to resort to using if-else statements.
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How can I open a URL in Android's web browser from my application?
...ne for me.
As for the missing "http://" I'd just do something like this:
if (!url.startsWith("http://") && !url.startsWith("https://"))
url = "http://" + url;
I would also probably pre-populate your EditText that the user is typing a URL in with "http://".
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Compare floats in php
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If you do it like this they should be the same. But note that a characteristic of floating-point values is that calculations which seem to result in the same value do not need to actually be identical. So if $a is a literal ....
How to keep onItemSelected from firing off on a newly instantiated Spinner?
...ected your solution to work -- I though the selection event would not fire if you set the adapter before setting up the listener.
That being said, a simple boolean flag would allow you to detect the rogue first selection event and ignore it.
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Is there a way to check if WPF is currently executing in design mode or not?
...e know of some global state variable that is available so that I can check if the code is currently executing in design mode (e.g. in Blend or Visual Studio) or not?
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Create thumbnail image
...s in the System.Drawing namespace (in System.Drawing.dll).
Behavior:
If the Image contains an embedded thumbnail image, this method
retrieves the embedded thumbnail and scales it to the requested size.
If the Image does not contain an embedded thumbnail image, this method
creates a thumb...
How can I programmatically create a new cron job?
...n it already exists is bad.
Remove the crontab line. Perhaps only warning if it didn't exist.
A combination of the above two features to replace the crontab line.
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How to sort an array of objects with jquery or javascript [duplicate]
...cts from the array
// thus a[1] and b[1] will equal the names
// if they are equal, return 0 (no sorting)
if (a[1] == b[1]) { return 0; }
if (a[1] > b[1])
{
// if a should come after b, return 1
return 1;
}
else
{
// if b should come after...