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Assign null to a SqlParameter

... for the ?: operator that explains the problem Either the type of first_expression and second_expression must be the same, or an implicit conversion must exist from one type to the other. share | ...
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How would you implement an LRU cache in Java?

...y at the back of the iteration order regardless of whether that entry initially exists in the cache) – Pacerier Feb 23 '12 at 18:26 ...
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How to find the mime type of a file in python?

...this. # For MIME types import magic mime = magic.Magic(mime=True) mime.from_file("testdata/test.pdf") # 'application/pdf' share | improve this answer | follow ...
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Using pip behind a proxy with CNTLM

...http://web-proxy.mydomain.com install somepackage But exporting the https_proxy environment variable (note its https_proxy not http_proxy) did the trick: export https_proxy=http://web-proxy.mydomain.com then sudo -E pip install somepackage ...
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psql: FATAL: role “postgres” does not exist

... which will just use the latest version. start postgres server manually: pg_ctl -D /usr/local/var/postgres start To start server at startup mkdir -p ~/Library/LaunchAgents ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents launchctl load ~/Library/LaunchAgents/homebrew.mxcl.post...
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Flask vs webapp2 for Google App Engine

...easily avoid it. Moreover, despite the fact I sympathize with Flask, I'm really impressed with webapp2 and have my hands itching to try it out. Thank you for answer and for webapp2! – Anton Moiseev Jul 22 '11 at 9:52 ...
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What does this symbol mean in JavaScript?

...ncatenation, and subtraction operators; unary sign operators What does = +_ mean in JavaScript, Single plus operator in javascript What's the significant use of unary plus and minus operators? Why is [1,2] + [3,4] = "1,23,4" in JavaScript? Why does JavaScript handle the plus and minus operators bet...
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How to capture the browser window close event?

...g anchor tags: var inFormOrLink; $('a[href]:not([target]), a[href][target=_self]').live('click', function() { inFormOrLink = true; }); $('form').bind('submit', function() { inFormOrLink = true; }); $(window).bind('beforeunload', function(eventObject) { var returnValue = undefined; if (! in...
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How can you zip or unzip from the script using ONLY Windows' built-in capabilities?

...rks.. so I am guessing you dont need .NET 4.5 – alpha_989 Mar 9 '18 at 18:17 ...
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How can I show hidden files (starting with period) in NERDTree?

...reeShowHidden=1 For more detail, access the NERDTree help file :help NERD_tree.txt and search for "hidden". share | improve this answer | follow | ...