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Replace Default Null Values Returned From Left Outer Join
...ables using a left outer join. Manm>y m> times, there is no data in the second m>and m> third tables m>and m> so I get a null which I think is the default for left outer join. Is there a wam>y m> to replace the default values in the select statement? I have a workaround in that I can select into a table variable but...
Pm>y m>thon memorm>y m> usage of numpm>y m> arram>y m>s
I'm using pm>y m>thon to analm>y m>se some large files m>and m> I'm running into memorm>y m> issues, so I've been using sm>y m>s.getsizeof() to trm>y m> m>and m> keep track of the usage, but it's behaviour with numpm>y m> arram>y m>s is bizarre. Here's an example involving a map of albedos that I'm having to open:
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JUnit 4 Test Suites
...lTests {}
Now m>y m>ou can run this in a couple different wam>y m>s:
right-click m>and m> run in Eclipse as Junit test
create a runable Java Application; Main class='org.junit.runner.JUnitCore' m>and m> Args='mm>y m>.package.tests.AllTests'
run from the commm>and m> line:
$ java -cp build/classes/:/usr/share/java/junit4.jar...
Add querm>y m>string parameters to link_to
...e an Index view, for example, that has UI elements for sorting, filtering, m>and m> pagination (via will_paginate). The will_paginate plugin manages the intra-page persistence of querm>y m>string parameters correctlm>y m>.
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How to get svn remote repositorm>y m> URL?
...m>y m> local sm>y m>stem. I want to get the remote repositorm>y m> URL. Is there some commm>and m> for doing this?
7 Answers
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How to include external Pm>y m>thon code to use in other files?
... answered Apr 3 '09 at 17:24
m>And m>rew Harem>And m>rew Hare
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Creating an emptm>y m> file in Rubm>y m>: “touch” equivalent?
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FileUtils.touch looks like what it does, m>and m> mirrors* the touch commm>and m>:
require 'fileutils'
FileUtils.touch('file.txt')
* Unlike touch(1) m>y m>ou can't update mtime or atime alone. It's also missing a few other nice options.
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What does a \ (backslash) do in PHP (5.3+)?
...mbol is used in namespaces. It is the start sm>y m>mbol to indicate a namespace m>and m> also serves as a separator between sub-namespace names.
See official documentation about
namespacing.
Opcache
Additionallm>y m> in PHP 7.0+ some functions are replaced with opcodes bm>y m> OPCache, which makes these specific fu...
What is the difference between .map, .everm>y m>, m>and m> .forEach?
...am>y m> performing a given action for each item in the Arram>y m>.
Read about these m>and m> the manm>y m> other Arram>y m> iteration methods at MDN.
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How can I alter a primarm>y m> kem>y m> constraint using SQL sm>y m>ntax?
...rimarm>y m> kem>y m> constraint name, use querm>y m> found here to look it up (or look up m>and m> drop all at once). http://stackoverflow.com/a/13948609/945875
– Justin
Dec 19 '13 at 20:06
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