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How to show and update echo on same line
...e advantage is printf generally behaves similarly in every environment and OS, while echo can sometimes behave very differently. For cross-platform scripts (or if you think you may ever care about that), using printf is best-practice.
– William T Froggard
Apr 8...
How to run multiple Python versions on Windows
...ted May 19 at 10:54
Piotr Dobrogost
36.5k3232 gold badges209209 silver badges336336 bronze badges
answered Jan 3 '11 at 11:54
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SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
...ny idea what causes this and how to fix it? I'm using Xcode 5 and running iOS 7.0.4 on device.
20 Answers
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Is it possible to disable the network in iOS Simulator?
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I'm afraid not—the simulator shares whatever network connection the OS is using. I filed a Radar bug report about simulating network conditions a while back; you might consider doing the same.
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What is __gxx_personality_v0 for?
This is a second-hand question from an OS development site, but it made me curious since I couldn't find a decent explanation anywhere.
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What is non-blocking or asynchronous I/O in Node.js?
...her requests while that thread has stalled depends on your software. What most server software do is spawn more threads to cater the additional requests. This requires more memory consumed and more processing.
Asynchronous, non-blocking example
Asynchronous, non-blocking servers - like ones made i...
How to remove folders with a certain name
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Use find for name "a" and execute rm to remove those named according to your wishes, as follows:
find . -name a -exec rm -rf {} \;
Test it first using ls to list:
find . -name a -exec ls {} \;
To ensure this only removes directories and not plain files, use the "-type...
Get spinner selected items text?
...inner)findViewById(R.id.spinner);
String text = spinner.getSelectedItem().toString();
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How to activate an Anaconda environment
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export PATH="/$HOME/anaconda/bin:$PATH" will work for MAC OS X users. That's what I did to get my virtualenvs to work.
– Clever Programmer
Aug 24 '15 at 4:52
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How to write to a file, using the logging Python module?
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is it possible to set file path
– neeraja
Nov 13 '18 at 9:36
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