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ValueError: setting an array element with a sequence
...ur edit. If you really want to have a NumPy array containing both strings and floats, you could use the dtype object, which enables the array to hold arbitrary Python objects:
numpy.array([1.2, "abc"], dtype=object)
Without knowing what your code shall accomplish, I can't judge if this is what y...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
I have install Mountain Lion (Mac OS X 10.8) and now gcc doesn't seem to be available anymore. I've also installed Xcode 4.4 so there is no more /Developer directory.
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dealloc in Swift
...an-up
yourself. For example, if you create a custom class to open a file and
write some data to it, you might need to close the file before the
class instance is deallocated.
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Why doesn't the JVM cache JIT compiled code?
...ower advanced programmers to optimize their application's performance when and where they just know the patterns are not changing, under their responsibility. Why not?!
– Alex Martelli
Jan 2 '10 at 22:58
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How to define @Value as optional
... limited to plain strings as default values. You can use SPEL expressions, and a simple SPEL expression to return null is:
@Value("${myValue:#{null}}")
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google chrome extension :: console.log() from background page?
...orresponds to your extensions open Settings / Extensions or open a new tab and enter chrome://extensions. You will see something like this screenshot.
Under your extension click on the link background page. This opens a new window.
For the context menu sample the window has the title: _generate...
Installing Google Protocol Buffers on mac
...sion of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal.
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Full examples of using pySerial package [closed]
...show me a full python sample code that uses pyserial , i have the package and am wondering how to send the AT commands and read them back!
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Automatic popping up keyboard on start Activity
.... When I open the activity it automatically focusses to the first EditText and displays the virtual keyboard.
19 Answers
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Timeout command on Mac OS X?
Is there an alternative for the timeout command on Mac OSx. The basic requirement is I am able to run a command for a specified amount of time.
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