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How do I call a dynamically-named method in Javascript?
...ut you're creating an array, then assigning to the array's properties (not indexes). You might as well do var dyn_functions = {}; so you don't needlessly create an array... this isn't a huge issue though.
– David Sherret
Nov 26 '13 at 16:46
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How to count TRUE values in a logical vector
...# gives you 1
length(z[z == TRUE]) # f3lix answer, gives you 2 (because NA indexing returns values)
So I think the safest is to use na.rm = TRUE:
sum(z, na.rm = TRUE) # best way to count TRUE values
(which gives 1). I think that table solution is less efficient (look at the code of table functi...
MySQL InnoDB not releasing disk space after deleting data rows from table
...ma when you introduce the partitioning for your table like - Unique Keys, Indexes to include partition column etc.
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rake db:schema:load vs. migrations
...ema), go through the existing DB structure and add/remove tables, columns, indexes as required.
To me this would be a lot more robust, even if possibly a little slower.
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Postgres: SQL to list table foreign keys
...QL prompt, in addition to showing table column's data types it'll show the indexes and foreign keys.
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Dynamically generating a QR code with PHP [closed]
... attached 2 examples in PHP from http://phpqrcode.sourceforge.net/examples/index.php
1. QR code encoder
first include the library from your local path
include('../qrlib.php');
then to output the image directly as PNG stream do for example:
QRcode::png('your texte here...');
to save the resul...
Detect If Browser Tab Has Focus
...e all supported on...everything. (see http://www.quirksmode.org/dom/events/index.html )
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Redo merge of just a single file
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This sort of worked for me. The index ended up in a merged state, but mergetool did not think that there were any outstanding merges. I just did the merge using vi, but it was weird anyway.
– Chris Cleeland
Jan 9 '15 ...
String replacement in java, similar to a velocity template
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@asherbar you can use argument index specifiers in the format string, e.g. String.format("Hello! My name is %1$s, I'm %2$s. Why is my name %1$s you ask? Well I'm only %2$s years old so I don't know", name, age)
– jazzpi
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Your branch is ahead of 'origin/master' by 3 commits
...ull and was 5 commits ahead..WTF???? Just needed to fetch to refresh local indexes...all good :)
– Chris Rutledge
Jun 1 at 22:02
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