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What is “runtime”?
...fers to any library, framework, or platform that your code runs on.
The C and C++ runtimes are collections of functions.
The .NET runtime contains an intermediate language interpreter, a garbage collector, and more.
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What is the maximum length of a Push Notification alert text?
...ocumented anywhere.
The only thing the documentation says is:
In iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 byt...
Convert a byte array to integer in Java and vice versa
...y. Before you performing & operation on byte with 0xFF (int), JVM will cast the byte to int with 1 extended or 0 extended according the the leading bit first. There's no unsigned byte in Java, bytes are always signed.
– Nier
Mar 24 '16 at 3:35
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Validating with an XML schema in Python
I have an XML file and an XML schema in another file and I'd like to validate that my XML file adheres to the schema. How do I do this in Python?
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Should I use int or Int32
In C#, int and Int32 are the same thing, but I've read a number of times that int is preferred over Int32 with no reason given. Is there a reason, and should I care?
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IEnumerable to string [duplicate]
...Input
((IEnumerable<char>)RandomString(STRLEN)) (this is just an upcast)
Results
Concat: 0 ms
New: 2000 ms
StringBuilder: 2000 ms
Downcast: 0 ms
I ran this on an Intel i5 760 targeting .NET Framework 3.5.
sh...
How do I create an empty array/matrix in NumPy?
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# Initialize your variable as an empty list first
In [32]: x=[]
# and now cast it as a numpy ndarray
In [33]: x=np.array(x)
The result will be:
In [34]: x
Out[34]: array([], dtype=float64)
Therefore you can directly initialize an np array as follows:
In [36]: x= np.array([], dtype=np.float64)...
Open Sublime Text from Terminal in macOS
...n:
First, navigate to a small folder in Terminal that you want ST to open and enter the following command:
/Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl .
NOTE: You may need to replace Sublime\ Text.app in the command above to Sublime\ Text\ 3.app or Sublime\ Text\ 2.app depend...
Can table columns with a Foreign Key be NULL?
... a little bit to remember what needs to be done.
If the data submitted is cast or interpreted as an empty string, it will fail. However, by explicitly setting the value to NULL when INSERTING or UPDATING, you're good to go.
But this is the fun of programming, isn't it? Creating our own problems a...
Error while installing json gem 'mkmf.rb can't find header files for ruby'
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For Xcode 11 on macOS 10.14, this can happen even after installing Xcode and installing command-line tools and accepting the license with
sudo xcode-select --install
sudo xcodebuild -license accept
The issue is that Xcode 11 ships the macOS 10.15 SDK which includes headers for ruby2.6, but no...