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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
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And what do you propose as workaround when you actually need NOT?
– dnoeth
Apr 6 '16 at 7:57
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What is the purpose of Android's tag in XML layouts?
...ayout2.xml may not be useful. <merge/> helps get rid of it. Here's what it looks like using merge (layout1.xml doesn't change):
layout2.xml:
<merge>
<TextView />
<TextView />
</merge>
This is functionally equivalent to this layout:
<FrameLayout>
&l...
Ruby 'require' error: cannot load such file
...that is in the same directory as tokenizer.rb, it will work fine no matter what your current working directory (CWD) is.
Explanation of why this is the best way
The other answers claim you should use require './tokenizer', but that is the wrong answer, because it will only work if you run your Rub...
What is hashCode used for? Is it unique?
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After learning what it is all about, I thought to write a hopefully simpler explanation via analogy:
Summary: What is a hashcode?
It's a fingerprint. We can use this finger print to identify people of interest.
Read below for more deta...
How should strace be used?
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So what if you use something below the layer that strace monitors?
– Pacerier
Oct 19 '14 at 0:13
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What is a simple command line program or script to backup SQL server databases?
...e entire media contents, ignoring any existing content." Make sure this is what you want.
– alexg
May 10 '12 at 9:30
4
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What's the best way to send a signal to all members of a process group?
I want to kill a whole process tree. What is the best way to do this using any common scripting languages? I am looking for a simple solution.
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What are all possible pos tags of NLTK?
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Now I'm curious: what is so mysterious about this? I have never really used NLTK, and finding that answer took me five minutes of googling and searching... Is it really that hidden?
– phipsgabler
Jun 23 ...
What does this Google Play APK publish error message mean?
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But what if I don't want to deactivate the old version and instead to a step release for the new one? So they should coexist for a while until the old one will be replaced completely././
– Makibo
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?
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I'm a bit on both sides, actually :
When what I need on the javascript side is data, I use JSON
When what I need on the javascript side is presentation on which I will not do any calculation, I generally use HTML
The main advantage of using HTML is when you want t...