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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
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#define macro for debug printing in C?
Trying to create a macro which can be used for print debug messages when DEBUG is defined, like the following pseudo code:
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How many Activities vs Fragments?
The basic "Fragments Tutorial" pattern goes something like this:
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How to find index of list item in Swift?
I am trying to find an item index by searching a list . Does anybody know how to do that?
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How to create a zip archive with PowerShell?
Is it possible to create a zip archive using PowerShell?
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Case-Insensitive List Search
I have a list testList that contains a bunch of strings. I would like to add a new string into the testList only if it doesn't already exist in the list. Therefore, I need to do a case-insensitive search of the list and make it efficient. I can't use Contains because that doesn't take into acc...
What is the Ruby (spaceship) operator?
What is the Ruby <=> (spaceship) operator? Is the operator implemented by any other languages?
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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...举 那mongodb是怎进行选举的呢？官方这么描述:
We use a consensus protocol to pick a primary. Exact details will be spared here but that basic process is:
get maxLocalOpOrdinal from each server.
if a majority of servers are not up (from this server’s POV), remain in Se...
When should I use the Visitor Design Pattern? [closed]
I keep seeing references to the visitor pattern in blogs but I've got to admit, I just don't get it. I read the wikipedia article for the pattern and I understand its mechanics but I'm still confused as to when I'd use it.
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Escape double quotes in parameter
In Unix I could run myscript '"test"' and I would get "test" .
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