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Merge / convert multiple PDF files into one PDF

...sidering that pdfunite is part of poppler it has a higher chance to be installed, usage is also simpler than pdftk: pdfunite in-1.pdf in-2.pdf in-n.pdf out.pdf share | improve this answer ...
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TypeError: ObjectId('') is not JSON serializable

... Pymongo provides json_util - you can use that one instead to handle BSON types share | improve this answer | follow ...
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How to trim a file extension from a String in JavaScript?

...and x.slice(0, -4) looks great! Thanks! And thank you to everyone else for all the other robust alternatives provided! – ma11hew28 Nov 23 '10 at 6:12 26 ...
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Add a custom attribute to a Laravel / Eloquent model on load?

...; } } Any attributes listed in the $appends property will automatically be included in the array or JSON form of the model, provided that you've added the appropriate accessor. Old answer (for Laravel versions < 4.08): The best solution that I've found is to override the toArray() metho...
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psql: FATAL: Ident authentication failed for user “postgres”

I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box. 23 Answers 23 ...
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How Do You Clear The IRB Console?

... @fanaugen On MacOS, cmd+k will clear all within a terminal tap, if you use tmux to split area of the visual area, ctrl+L will do a better work. – Fan Yer May 19 '17 at 9:06 ...
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Convert NSDate to NSString

... How about... NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; [formatter setDateFormat:@"yyyy"]; //Optionally for time zone conversions [formatter setTimeZone:[NSTimeZone timeZoneWithName:@"..."]]; NSString *stringFromDate = [formatter stringFromDate:myNSDateInstance]; ...
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If a DOM Element is removed, are its listeners also removed from memory?

...veChild() for example). However, this isn't true; the jQuery library actually has an internal method (which is undocumented and in theory could be changed at any time) called cleanData() (here is what this method looks like) which automatically cleans up all the data/events associated with an elem...
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Click button copy to clipboard using jQuery

...ard in most browsers because most browsers have the ability to programmatically copy a selection of text to the clipboard using document.execCommand("copy") that works off a selection. As with some other actions in a browser (like opening a new window), the copy to clipboard can only be done via a ...
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Unbalanced calls to begin/end appearance transitions for

...e not-suitable (like during initialization) procedure finishes, by doing: __weak MyViewController *weakSelf = self; dispatch_async(dispatch_get_main_queue(), ^{ [weakSelf presentViewController:vc animated:YES]; }); This is general for also pushViewController:animated:, etc. ...