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ERROR: permission denied for sequence cities_id_seq using Postgres

... allows the use of the currval and nextval functions. Also as pointed out by @epic_fil in the comments you can grant permissions to all the sequences in the schema with: GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO www; ...
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How to pass an array into a SQL Server stored procedure

... Based on my experience, by creating a delimited expression from the employeeIDs, there is a tricky and nice solution for this problem. You should only create an string expression like ';123;434;365;' in-which 123, 434 and 365 are some employeeIDs. ...
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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?

...TF8String: getenv("PATH")]; for (NSString *dir in [path componentsSeparatedByString: @":"]) { // search for a file in dir... } NSString *path = @( getenv("PATH") ); for (NSString *dir in [path componentsSeparatedByString: @":"]) { // search for a file in dir... } How array literals w...
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How to lay out Views in RelativeLayout programmatically?

...yone still follows this: when i have a collection of views I am adding one by one and I can not be certain that one of the views that an item is set to be below has already been added, how to make sure it still renders correctly? From my understanding addView causes the layout to re-render, so if I ...
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MySQL Great Circle Distance (Haversine formula)

...only rows where the distance value is less than 25, orders the whole query by distance, and limits it to 20 results. To search by kilometers instead of miles, replace 3959 with 6371. SELECT id, ( 3959 * acos( cos( radians(37) ) * cos( radians( lat ) ) * cos( radians( lng ) - radians(-122) ) + si...
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RESTfully design /login or /register resources?

...ents or incrementing a web counter. [...] [... H]andling [of GET requests] by the server is not technically limited in any way. Therefore, careless or deliberate programming can cause non-trivial changes on the server. This is discouraged, because it can cause problems for Web caching, search engine...
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Using -performSelector: vs. just calling the method

...nce in what is going to happen. doSomething will be synchronously executed by object. Only "doSomething" is a very simple method, that does not return anything, and does not require any parameters. were it something a little more complicated, like: (void)doSomethingWithMyAge:(NSUInteger)age; thi...
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What is the $$hashKey added to my JSON.stringify result

...lues for you. Also, if you change your repeat expression to use the track by {uniqueProperty} suffix, Angular won't have to add $$hashKey at all. For example <ul> <li ng-repeat="link in navLinks track by link.href"> <a ng-href="link.href">{{link.title}}</a> ...
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How to run an EXE file in PowerShell with parameters with spaces and quotes

...place. :-) They also realize this is an area of pain, but they are driven by the number of folks are affected by a particular issue. If this is an area of pain for you, then please vote up this PowerShell bug submission. For more information on how PowerShell parses, check out my Effective PowerSh...
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How to verify Facebook access token?

...out Tokens and Debugging. This section of the documentation is referred to by HTML anchor #debug, and states that the API is the back-end for their debug tool. Seems pretty clear to me, but you are right that technically, nowhere is it clearly and directly stated that the function is not intended fo...