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Which is better in python, del or delattr?
... (foo)
6 LOAD_CONST 1 ('bar')
9 CALL_FUNCTION 2
12 POP_TOP
This translates into the first running slightly faster (but it's not a huge difference – .15 μs on my machine).
Like the others have said, you should really...
How to swap keys and values in a hash
...;:b, 3=>:c}
BUT...
If you have duplicate values, invert will discard all but the last occurrence of your values (because it will keep replacing new value for that key during iteration). Likewise, key will only return the first match:
{a: 1, b: 2, c: 2}.key(2)
=> :b
{a: 1, b: 2, c: 2}.inv...
nodeValue vs innerHTML and textContent. How to choose?
...t in firefox until FireFox 45 according to caniuse but is now supported in all major browsers.
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In MySQL, how to copy the content of one table to another table within the same database?
...y the content of one table to another table within the same database. Basically, I would like to insert to a table from another table. Is there easy way of doing this?
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XPath to select multiple tags
...ve the original problem, but it results in a longer and more complex and challenging to understand XPath expression. The simpler expression in this answer, which uses the or operator produces the wanted node-set and can be specified in the "select" attribute of an <xsl:for-each> XSLT operation...
Using CMake, how do I get verbose output from CTest?
... which is using the Boost unit testing framework. This one binary contains all of the unit tests. I've added that binary to be run by CTest:
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How to make node.js require absolute? (instead of relative)
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There's a really interesting section in the Browserify Handbook:
avoiding ../../../../../../..
Not everything in an application properly belongs on the public npm
and the overhead of setting up a private npm or git repo is sti...
How do I fix blurry text in my HTML5 canvas?
... and text. In my app, I have a view adapter that creates a canvas dynamically, and fills it with content. This works really nicely, except that my text is rendered very fuzzy/blurry/stretched. I have seen a lot of other posts on why defining the width and height in CSS will cause this issue,...
adb command not found
...adb forward command before I could use the ezkeyboard application which allows user to type on the phone using browser.
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Error “library not found for” after putting application in AdMob
...at it needs to escape any double quotes " with a '\'. Make sure you remove all the \’s - it should look like this -
I was able to duplicate the error, by doing prefixing my path with multiple '\'.
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