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INSERT … ON DUPLICATE KEY (do nothing)
I have a table with a unique key for two columns:
3 Answers
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Best way to test exceptions with Assert to ensure they will be thrown
Do you think that this is a good way for testing exceptions? Any suggestions?
9 Answers
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are there dictionaries in javascript like python?
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};
And to access the values:
states_dictionary.AK[0] //which is liza
or you can use javascript literal object notation, whereby the keys not require to be in quotes:
states_dictionary={
CT:["alex","harry"],
AK:["liza","alex"],
TX:["fred", "harry"]
};
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To ternary or not to ternary? [closed]
I'm personally an advocate of the ternary operator: () ? : ; I do realize that it has its place, but I have come across many programmers that are completely against ever using it, and some that use it too often.
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How to convert latitude or longitude to meters?
If I have a latitude or longitude reading in standard NMEA format is there an easy way / formula to convert that reading to meters, which I can then implement in Java (J9)?
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Copying files from host to Docker container
I am trying to build a backup and restore solution for the Docker containers that we work with.
41 Answers
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What does the “yield” keyword do?
What is the use of the yield keyword in Python, and what does it do?
42 Answers
42
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Convert .pem to .crt and .key
Can anyone tell me the correct way/command to extract/convert the certificate .crt and private key .key files from a .pem file? I just read they are interchangable, but not how.
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bash/fish command to print absolute path to a file
... edited Aug 24 at 23:52
Boris
4,69255 gold badges4242 silver badges5252 bronze badges
answered Oct 12 '10 at 13:16
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...0110011001100110011001101
which is greater than the exact value and the more precise approximation at 53 digits.
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