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Programmatically trigger “select file” dialog box

...Note that I used visibility: hidden, instead of display: none. You cannot call the click event on a non-displayed file input. share | improve this answer | follow ...
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How to clean node_modules folder of packages that are not in package.json?

Assume I install project packages with npm install that looks into package.json for modules to be installed. After a while I see that I don't need some specific module and remove its dependency from package.json . Then I remove some other modules from package.json because they are not needed ...
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Couldn't register with the bootstrap Server

...r from this by unplugging the iPad, powering it down and back up, clearing all XCode caches and targets, and doing a clean build. I'm running XCode 3.5.4 and iOS 4.2.1 Hope this helps someone. -Mike UPDATE: Same problem running Xcode 4.3 and iOS5 - just power-cycle the device. ...
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What is the difference between SQL, PL-SQL and T-SQL?

...e to operate on sets. It is more or less standardized, and used by almost all relational database management systems: SQL Server, Oracle, MySQL, PostgreSQL, DB2, Informix, etc. PL/SQL is a proprietary procedural language used by Oracle PL/pgSQL is a procedural language used by PostgreSQL TSQL is a ...
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Why is “while ( !feof (file) )” always wrong?

...ol. The environment truly exists "concurrently" with your program. As with all things concurrent, questions about the "current state" don't make sense: There is no concept of "simultaneity" across concurrent events. Many properties of state simply don't exist concurrently. Let me make this more prec...
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What is an NP-complete in computer science?

...ng machine but also including a non-deterministic "choice" function). Basically, a solution has to be testable in poly time. If that's the case, and a known NP problem can be solved using the given problem with modified input (an NP problem can be reduced to the given problem) then the problem is NP...
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How to get a group of toggle buttons to act like radio buttons in WPF?

...'11 at 3:44 Uday Kiran ThummalapalliUday Kiran Thummalapalli 3,11922 gold badges1111 silver badges33 bronze badges ...
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How to change the default encoding to UTF-8 for Apache?

...rey yes. if it's not already there, you can put it anywhere. however, i usually put every "custom" directive at the bottom of the file for a number of reasons (overriding pre-existing directives, order, and just to easily see what I did change from stock config). – MartinodF ...
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Purpose of Trigraph sequences in C++?

...er. It boils down to the fact that the ISO 646 character set doesn't have all the characters of the C syntax, so there are some systems with keyboards and displays that can't deal with the characters (though I imagine that these are quite rare nowadays). In general, you don't need to use them, but...
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Removing duplicate rows in Notepad++

...d to sort by line, and remove the duplicate lines at the same time. To install the TextFX in the latest release of Notepad++ you need to download it from here: https://sourceforge.net/projects/npp-plugins/files/TextFX The TextFX plugin used to be included in older versions of Notepad++, or be possib...