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is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
Are static class variables possible in Python?
Is it possible to have static class variables or methods in Python? What syntax is required to do this?
21 Answers
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Adding information to an exception?
I want to achieve something like this:
9 Answers
9
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How do I obtain crash-data from my Android application?
How can I get crash data (stack traces at least) from my Android application? At least when working on my own device being retrieved by cable, but ideally from any instance of my application running on the wild so that I can improve it and make it more solid.
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What's the rationale for null terminated strings?
As much as I love C and C++, I can't help but scratch my head at the choice of null terminated strings:
18 Answers
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How can I get the last 7 characters of a PHP string?
How would I go about grabbing the last 7 characters of the string below?
7 Answers
7
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Eclipse error “ADB server didn't ACK, failed to start daemon”
After updating the SDK, Eclipse shows this error:
22 Answers
22
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Android 4.3 Bluetooth Low Energy unstable
I am currently developing an application that will use Bluetooth Low Energy (testing on the Nexus 4). After getting started with the official BLE APIs in Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that d...
What does the construct x = x || y mean?
I am debugging some JavaScript, and can't explain what this || does?
12 Answers
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Is there a WebSocket client implemented for Python? [closed]
I found this project: http://code.google.com/p/standalonewebsocketserver/ for a WebSocket server, but I need to implement a WebSocket client in python, more exactly I need to receive some commands from XMPP in my WebSocket server.
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