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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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javascript i++ vs ++i [duplicate]

... consistent result. If you don't use the value of the expression, theoretically there should be no difference at all, as the compiler should optimise it to the same operation. – Guffa Feb 24 '13 at 12:08 ...
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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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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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How to check what user php is running as?

... If available you can probe the current user account with posix_geteuid and then get the user name with posix_getpwuid. $username = posix_getpwuid(posix_geteuid())['name']; If you are running in safe mode however (which is often the case when exec is disabled), then it's unlikely tha...
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?

... 32 I am trying to contribute with another solution for the single insertion problem with the pre-9...
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Is it possible to specify the schema when connecting to postgres with JDBC?

...also set the user's default schema to your desired schema: ALTER USER user_name SET search_path to 'schema' share | improve this answer | follow | ...
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How do I display the current value of an Android Preference in the Preference summary?

...ic solution, if that suits your needs. For example, if you want to generically have all list preferences show their choice as summary, you could have this for your onSharedPreferenceChanged implementation: public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { ...
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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]; ...