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mysql update column with value from another table
...ableA ON tableB.name = tableA.name
SET tableB.value = IF(tableA.value > 0, tableA.value, tableB.value)
WHERE tableA.name = 'Joe'
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How do I set $PATH such that `ssh user@host command` works?
...n:/usr/bin:/sbin:/bin:/usr/games). The remote machine is running Ubuntu 8.04.
6 Answers
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Official way to ask jQuery wait for all images to load before executing something
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How to add anything in through jquery/javascript?
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150
You can select it and add to it as normal:
$('head').append('<link />');
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Using Java with Nvidia GPUs (CUDA)
...riting one data element from the "main" GPU memory has a latency of about 500 instructions....
Therefore, another key point for the performance of GPUs is data locality: If you have to read or write data (and in most cases, you will have to ;-)), then you should make sure that the data is kept as c...
Checking from shell script if a directory contains files
...ob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
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Log to the base 2 in python
...s the natural logarithm (base e) of x.
In [25]: math.log(8,2)
Out[25]: 3.0
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How to document a method with parameter(s)?
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Vladimir KeleshevVladimir Keleshev
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Remove portion of a string after a certain character
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301
$variable = substr($variable, 0, strpos($variable, "By"));
In plain english: Give me the par...
HTML text input field with currency symbol
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104
Consider simulating an input field with a fixed prefix or suffix using a span with a border aro...