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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that

...creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity: public class MemberLoan { public string LoandProviderCode { get; set; } public virtual Membership Membership { get; set; } } Entity Framework will return proxy inheri...
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Java, How do I get current index/key in “for each” loop [duplicate]

... reason is you can use the condensed for syntax to loop over any Iterable, and it's not guaranteed that the values actually have an "index" share | improve this answer | foll...
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Setting Authorization Header of HttpClient

... @MickyDuncan HttpClient has a DefaultRequestHeaders.Authorization. And this answer just salvaged my day. Much thanks to WhiteRabbit. – Joey Schluchter Jan 23 '14 at 19:26 3...
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How to create new tmux session if none exists

...session (start the server, read the config file, issue the new-session command) and attach to that. share | improve this answer | follow | ...
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Use of alloc init instead of new

Learning Objective-C and reading sample code, I notice that objects are usually created using this method: 8 Answers ...
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Is there a better alternative than this to 'switch on type'?

...Text = "Not sure what is hovered over")); The code for TypeSwitch is actually pretty small and can easily be put into your project. static class TypeSwitch { public class CaseInfo { public bool IsDefault { get; set; } public Type Target { get; set; } public Action<o...
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Having Django serve downloadable files

..._str(file_name) response['X-Sendfile'] = smart_str(path_to_file) # It's usually a good idea to set the 'Content-Length' header too. # You can also set any other required headers: Cache-Control, etc. return response Of course, this will only work if you have control over your server, or your hostin...
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How to format a number as percentage in R?

...scales package, as documented in krlmlr's answer. Use that instead of my hand-rolled solution. Try something like percent <- function(x, digits = 2, format = "f", ...) { paste0(formatC(100 * x, format = format, digits = digits, ...), "%") } With usage, e.g., x <- c(-1, 0, 0.1, 0.5555...
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Android: how to check if a View inside of ScrollView is visible?

... @Qberticus How to call the methods ? I am using it and it is always returning false. Please let me know – KK_07k11A0585 Jun 15 '15 at 14:57 ...
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How can I convert my device token (NSData) into an NSString?

...thing ensures that later version of iOS will not change the implementation and result of this call. – madewulf Nov 14 '12 at 14:00 17 ...