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Why is SELECT * considered harmful?
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There are really three major reasons:
Inefficiency in moving data to the consumer. When you SELECT *, you're often retrieving more columns from the database than your application really needs to function. This causes more data to mov...
How do I tell if a regular file does not exist in Bash?
... The unary operator -z tests for a null string, while -n or no operator at all returns True if a string is not empty. ~ ibm.com/developerworks/library/l-bash-test/index.html
– BlueCacti
May 5 '14 at 11:06
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Style input element to fill remaining width of its container
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Would this work with IE6? Otherwise I may have to actually define a little table for this :(
– Joel Coehoorn
Apr 21 '09 at 16:49
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Unzip files programmatically in .net
I am trying to programatically unzip a zipped file.
15 Answers
15
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Sort a list of tuples by 2nd item (integer value) [duplicate]
... optimization, see jamylak's response using itemgetter(1), which is essentially a faster version of lambda x: x[1].
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Overflow-x:hidden doesn't prevent content from overflowing in mobile browsers
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I tried, I put all my code inside a div and give it overflow-x:hidden but doens't work, I add <meta name="viewport" content="width=device-width, initial-scale=1"> too but nothing changed :/ any ideas?
– user305...
How do I remove the blue styling of telephone numbers on iPhone/iOS?
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Two options…
1. Set the format-detection meta tag.
To remove all auto-formatting for telephone numbers, add this to the head of your html document:
<meta name="format-detection" content="telephone=no">
View more Apple-Specific Meta Tag Keys.
Note: If you have phone numbers...
MIT vs GPL license [closed]
...n your entire project that is using the GPL code also becomes GPL automatically. Which means, it must be open-sourced, and the recipient gets all the same rights as you - meaning, they can turn around and distribute it, modify it, sell it, etc. And that would include your proprietary code which woul...
Suppress warning messages using mysql from within Terminal, but password written in bash script
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Remember that the --login-path has to come before all other arguments. I was trying mysqldump --tables --login-path=local and getting the error unknown variable 'login-path=local'.
– Tulio
May 3 '14 at 22:33
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Difference between freeze and seal
...d vice versa), and no attribute of accessor descriptors can be modified at all (whereas data descriptors can change their writable attribute, and their value attribute if writeable is true).
Can throw a TypeError when attempting to modify the value of the sealed object itself (most commonly in stric...