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How to split a string in shell and get the last field
Suppose I have the string 1:2:3:4:5 and I want to get its last field ( 5 in this case). How do I do that using Bash? I tried cut , but I don't know how to specify the last field with -f .
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
....rfind("titi") returns 2 so when compared against == 0 would return false) and it would be inefficient (looking through the whole string instead of just the start). But it does not do that because it passes the pos parameter as 0, which limits the search to only match at that position or earlier. Fo...
How to exit if a command failed?
I am a noob in shell-scripting. I want to print a message and exit my script if a command fails. I've tried:
8 Answers
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Rails 4: how to use $(document).ready() with turbo-links
...sly scattered across different views. I organized them into separate files and compile them with the assets pipeline. However, I just learned that jQuery's "ready" event doesn't fire on subsequent clicks when turbo-linking is turned on. The first time you load a page it works. But when you click a l...
How to inject dependencies into a self-instantiated object in Spring?
...n() method of AutowireCapableBeanFactory. You pass it an arbitrary object, and Spring will treat it like something it created itself, and will apply the various autowiring bits and pieces.
To get hold of the AutowireCapableBeanFactory, just autowire that:
private @Autowired AutowireCapableBeanFact...
What's the hardest or most misunderstood aspect of LINQ? [closed]
... fair amount of attention to, based on what people may find hard to understand, or what they may have a mistaken impression of. I won't be specifically talking about LINQ to SQL or the Entity Framework except as examples of how queries can be executed remotely using expression trees (and usually...
Is there a way to stop Google Analytics counting development work as hits?
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Yeah, you go into Analytics Settings, edit your site, and +Add Filter to define a filter that excludes your IP address.
Past data is not regenerated with filters applied, so you'll only have the benefit of them moving forward.
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Wget output document and headers to STDOUT
I'm trying to output document body and its headers to stdout with wget by wget -S -O - http://google.com
5 Answers
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SQL is null and = null [duplicate]
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In SQL, a comparison between a null value and any other value (including another null) using a comparison operator (eg =, !=, <, etc) will result in a null, which is considered as false for the purposes of a where clause (strictly speaking, it's "not true", rather...
Why does Enumerable.All return true for an empty sequence? [duplicate]
... you don't have any bank accounts at all (or if you do have bank accounts, and all of them have that much in them).
– Jon Skeet
Jan 13 '15 at 15:59
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