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JavaScript: client-side vs. server-side validation

...ans users get faster feedback and more of them sign up, resulting in $100k extra revenue per year, it more than pays for the extra maintenance costs. DRY is a very good principle, but it's not the only consideration. Code quality is really measured in how well it serves users and an organization in ...
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Is there an easy way to check the .NET Framework version?

...ry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP"); string[] version_names = installed_versions.GetSubKeyNames(); //version names start with 'v', eg, 'v3.5' which needs to be trimmed off before conversion double Framework = Convert.ToDouble(version_names[version_names.Length -...
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Why are local variables not initialized in Java?

... chain to the previous exception? I don't remember. Even so, you'd have an extra exception in the way of the real one.) share | improve this answer | follow | ...
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What are JavaScript's builtin strings?

...how it works in Firefox and IE. Moreover, I haven't really expected that toString() representation of build-in methods might look differently in other browsers. Now, moving to the real problem, let's precisely have a look at the code. Yes, "v" was the real "problem" here. I found no other ways of ge...
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Call a REST API in PHP

...rmat, then simply use PHP command echo $my_json_variable to make that json string availabe to the client. So as you can see, my API returns json data, but you need to know (or look at the returned data to find out) what format the response from the API is in. This is how I connect to the API from ...
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How do I get a Date without time in Java?

...is asking about how to get a Date object - that answer formats a date to a string, which isn't the same thing. Fundamentally, asking what date a Date is on is a meaningless question without more information: the time zone and the calendar system you're using. – Jon Skeet ...
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K

...pandas DataFrame and I want to delete rows from it where the length of the string in a particular column is greater than 2. ...
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Are the days of passing const std::string & as a parameter over?

...Herb Sutter who suggested that the reasons to pass std::vector and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable: ...
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How can you check which options vim was compiled with?

...ursorshape +dialog_con +diff +digraphs -dnd -ebcdic -emacs_tags +eval +ex_extra +extra_search -farsi +file_in_path +find_in_path +float +folding -footer +fork() -gettext -hangul_input +iconv +insert_expand +jumplist -keymap -langmap +libcall +linebreak +lispindent +listcmds +localmap -lua +menu ...
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How do I print a double value with full precision using cout?

... calculates the right precision for me. And it's fast, too. #include <string> #include <boost/lexical_cast.hpp> using boost::lexical_cast; using std::string; double d = 3.14159265358979; cout << "Pi: " << lexical_cast<string>(d) << endl; Output: Pi: 3.14...