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How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
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What are the differences between Chosen and Select2?
...o be loaded as option tags in the DOM, which limits it to working with
small-ish datasets. Select2 uses a function to find results
on-the-fly, which allows it to partially load results.
Paging of results: Since Select2 works with large datasets and only loads a small amount of matching results...
How do I remove an item from a stl vector with a certain value?
...n for stl vector, and noticed there was no method on the vector class that allowed the removal of an element with a certain value. This seems like a common operation, and it seems odd that there's no built in way to do this.
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How to make connection to Postgres via Node.js
I find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be...
How many double numbers are there between 0.0 and 1.0?
...st to note, when I wrote 100 to 100.1 I miswrote. I meant 100 to 101. Basically, between N and N+1 for arbitrary N.
– polygenelubricants
Jun 5 '10 at 3:15
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How is a non-breaking space represented in a JavaScript string?
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  is a HTML entity. When doing .text(), all HTML entities are decoded to their character values.
Instead of comparing using the entity, compare using the actual raw character:
var x = td.text();
if (x == '\xa0') { // Non-breakable space is char 0xa0 (160 dec)
x...
ggplot with 2 y axes on each side and different scales
I need to plot a bar chart showing counts and a line chart showing rate all in one chart, I can do both of them separately, but when I put them together, I scale of the first layer (i.e. the geom_bar ) is overlapped by the second layer (i.e. the geom_line ).
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How do you determine the size of a file in C?
...out since the question didn't specify an OS.
– Drew Hall
Aug 2 '10 at 21:54
1
You could probably ...
Can't resize UIView in IB
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uuuugh I really dislike this IDE
– Saik Caskey
May 26 '17 at 15:46
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How to draw polygons on an HTML5 canvas?
...dle top of the polygon rather than the middle right, flip the sin and cos calls and change Ycenter + to Ycenter - on both places (leaving it as a sum rather than a difference of the values results in it starting with a point at the bottom of the resultant shape). I am not a clever man when it comes...