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What does 'super' do in Python?
... class to your object, and want to inject a class between Foo and Bar (for testing or some other reason):
class InjectMe(SomeBaseClass):
def __init__(self):
print('InjectMe.__init__(self) called')
super(InjectMe, self).__init__()
class UnsuperInjector(UnsuperChild, InjectMe): p...
How to select a node using XPath if sibling node has a specific value?
...-sibling XPath axis
//a/bb[text()="zz"]/following-sibling::cc[1]/text()
Test the Xpath here: http://www.xpathtester.com/obj/b55ec3ac-dfa4-4f44-81e8-f963ea4a0625
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How to run Node.js as a background process and never die?
...en or tmux session is an AMATEUR solution! Don't do that, unless for quick tests. To keep a process running you need to daemonize it! Use proper tools for it, like forever, pm2 or the plain old init.d scripts.
– Victor Schröder
Mar 16 '16 at 9:28
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css label width not taking effect
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Stick with Inline-block. Tested it in IE7,IE8,IE9, FF
– Davis
May 30 '12 at 13:14
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What is object serialization?
...ansient List<File> unInterestingLongLongList;
// Main method to test.
public static void main( String [] args ) throws IOException {
// Create a sample object, that contains the default values.
SerializationSample instance = new SerializationSample();
// Th...
How do I update zsh to the latest version?
...g Homebrew, this is what I just did on MAC OS X Lion (10.7.5):
Get the latest version of the ZSH sourcecode
Untar the download into its own directory then install: ./configure && make && make test && sudo make install
This installs the the zsh binary at /usr/local/bin/zsh.
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How to change variables value while debugging with LLDB in Xcode?
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If you want to set some variable (for example a "dict") to nil and then test the code flow, you can try the following.
Put the breakpoint properly after initialised to the desired value.
then execute "expression dict = nil" in lldb command line to change it. (for example "nil")
Step over the...
What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
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The ${} style lets you test the make rules in the shell, if you have the corresponding environment variables set, since that is compatible with bash.
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vector vs. list in STL
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Bjarne Strostrup actually made a test where he generated random numbers and then added them to a list and a vector respectively. The insertions were made so that the list/vector was ordered at all times. Even though this is typically "list domain" the vector...
PHP Error handling: die() Vs trigger_error() Vs throw Exception
...(using set_error_handler()) but still have them be displayed to you during testing.
Also trigger_error() can produce non-fatal messages important during development that can be suppressed in production code using a custom error handler. You can produce fatal errors, too (E_USER_ERROR) but those are...