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Why does `a == b or c or d` always evaluate to True?
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In many cases, Python looks and behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" and "Inbar" are objects joined to the verb "equals", but the Python interpreter is more...
How to pause / sleep thread or process in Android?
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One solution to this problem is to use the Handler.postDelayed() method. Some Google training materials suggest the same solution.
@Override
public void onClick(View v) {
my_button.setBackgroundResource(R.drawable.icon);
Handler handler = new Handler();
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Effect of NOLOCK hint in SELECT statements
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NOLOCK typically (depending on your DB engine) means give me your data, and I don't care what state it is in, and don't bother holding it still while you read from it. It is all at once faster, less resource-intensive, and very very dangerous.
You should be warned to never do an update from or ...
Grep only the first match and stop
... you. btw - are all those other arguments necessary that I have in the command? and what if I can't pipe it by chance (just in case).
– Tim Kamm
Dec 30 '12 at 18:48
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How to print to console in pytest?
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By default, py.test captures the result of standard out so that it can control how it prints it out. If it didn't do this, it would spew out a lot of text without the context of what test printed that text.
However, if a test fails, it will include a section in the res...
How to perform OR condition in django queryset?
...It would help if you add a print of object.query so we can relate both ORM and Query output to familiarize with it. BTW great example.
– Eddwin Paz
Aug 23 '17 at 21:05
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IntelliJ Organize Imports
...→ Optimize Imports...) is what you're looking for, both on Windows/Linux and macOS keymaps.
It says "Optimize", but, if configured to do so, it will also:
organize existing imports
remove unneeded imports
add new required imports
add unambiguous imports on the fly
You can tune the auto-impor...
How to change maven logging level to display only warning and errors?
...o prevent maven from displaying INFO messages, I want to see only WARNINGS and ERRORS (if any).
10 Answers
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What Xcode keyboard shortcuts do you use regularly? [closed]
...er then navigate to source files. However now I find the open quickly command better (cmd-shift-O , type a few chars, return)
– Robert
Nov 30 '12 at 12:45
6
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DISTINCT for only one column
...OM Products
WHERE ProductModel = 2
AND ProductName LIKE 'CYBER%'
) a
WHERE rn = 1
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