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if (key in object) or if(object.hasOwnProperty(key)

... answered Nov 29 '12 at 19:16 Andre MeinholdAndre Meinhold 4,53733 gold badges1616 silver badges2828 bronze badges ...
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Display names of all constraints for a table in Oracle SQL

...ctionary, specifically the USER_CONS_COLUMNS view to see the table columns and corresponding constraints: SELECT * FROM user_cons_columns WHERE table_name = '<your table name>'; FYI, unless you specifically created your table with a lower case name (using double quotes) then the table na...
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Android: how to make keyboard enter button say “Search” and handle its click?

...ure this out. Some apps have a EditText (textbox) which, when you touch it and it brings up the on-screen keyboard, the keyboard has a "Search" button instead of an enter key. ...
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How to use the toString method in Java?

...of the toString() method, defined in the Object class? How is it used, and what is its purpose? 13 Answers ...
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PHP function to generate v4 UUID

So I've been doing some digging around and I've been trying to piece together a function that generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a val...
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Why do you program in assembly? [closed]

...ny modern 3-D Games have their high performance core engine written in C++ and Assembly. Games (and most programs these days) aren't "written in assembly" the same way they're "written in C++". That blog isn't saying that a significant fraction of the game is designed in assembly, or that a team ...
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How to convert a byte array to a hex string in Java?

I have a byte array filled with hex numbers and printing it the easy way is pretty pointless because there are many unprintable elements. What I need is the exact hexcode in the form of: 3a5f771c ...
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How do I make a checkbox required on an ASP.NET form?

I've done some searching on this, and I've found several partial answers, however nothing that gives me that warm fuzzy "this is the right way to do this". To answer the most frequently occurring complaint against this question: "checkboxes can have two legitimate states - checked and unchecked", th...
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How do I download a package from apt-get without installing it? [closed]

I have a computer without a NIC , and I want to install some programs in it via USB memory, but how can I download a program from apt-get without installing it? ...
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Where should I put the log4j.properties file?

...6.7.1 with glassfish v2.1, put log4j.properties to the root dir of project and use: 18 Answers ...