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What is the best way to clear a session variable in rails?
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
@OneToMany List vs Set difference
...f Hibernate is that you can't fetch two different lists in a single query. For example, if you have a Person entity having a list of contacts and a list of addresses, you won't be able to use a single query to load persons with all their contacts and all their addresses. The solution in this case is...
How do I enable language extensions from within GHCi?
... Note that after typing :set -X in GHCi you'll actually get tab completion for available extensions, which is handy when you can't remember where they decided to use abbreviations ("MultiParam") or acronyms ("GADT") rather than spelling things out in full ("MonomorphismRestriction")...
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
With razor, I'm unable to specify values for data- attributes such as data-externalid="23521"
1 Answer
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Encoding an image file with base64
... get the string 'ÿØÿà'. However, when I run this alone as a substitute for data I get an error. The encoded string is much longer for comparison. So I think that likely stores the image data. does the decoded string simply reference the encoded string or something? It seems far too short for dat...
How can I delete a git alias?
...being the correct way to do this, this solution has the benefit of working for local and system aliases, as well as global aliases, provided you use the appropriate flag (--local, etc).
– De Novo
Feb 14 '19 at 20:25
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Android ListView not refreshing after notifyDataSetChanged
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adapter.notifyDataSetChanged();
}
what you just have updated before calling notifyDataSetChanged() is not the adapter's field private List<Item> items; but the identically declared field of the fragment. The adapter still stores a reference to list of items you passed when you crea...
cancelling queued performSelector:afterDelay calls
...or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ?
4 Answers
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How to preview git-pull without doing fetch?
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For some reason that doesn't work for me. I tried git diff HEAD...origin/master and it didn't list any changes yet when i do 'pull origin master' it fetches and merges the changes. Is that because I set up the remote reposito...
SQL Server Escape an Underscore
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T-SQL Reference for LIKE:
You can use the wildcard pattern matching characters as literal characters. To use a wildcard character as a literal character, enclose the wildcard character in brackets. The following table shows several examp...