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Is there a float input type in HTML5?

...> (I'd also set min=0 if it can only be positive) If you'd prefer to allow any number of decimal places, you can use step="any" (though for currencies, I'd recommend sticking to 0.01). In Chrome & Firefox, the stepper buttons will increment / decrement by 1 when using any. (thanks to Micha...
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Non-static variable cannot be referenced from a static context

... what you see with the class "car". The class contains which is similar to all cars. Think of it as a template or an idea. At the same time, the car you see is an instance of the class "car" since it has all the properties which you expect: There is someone driving it, it has an engine, wheels. So...
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Associative arrays in Shell scripts

....0 (available now on most major distros, though not on OS X unless you install it yourself), ksh, and zsh: declare -A newmap newmap[name]="Irfan Zulfiqar" newmap[designation]=SSE newmap[company]="My Own Company" echo ${newmap[company]} echo ${newmap[name]} Depending on the shell, you may need to...
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Fastest way to replace NAs in a large data.table

....805 12.301 134.985 system.time(a_andrie = f_andrie(dt1)) Error: cannot allocate vector of size 305.2 Mb Timing stopped at: 14.541 7.764 68.285 system.time(f_dowle(dt1)) user system elapsed 7.452 4.144 19.590 # EDIT has faster than this identical(a_gdata, dt1) [1] TRUE Note th...
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How to get multiple counts with one SQL query?

... You can use a CASE statement with an aggregate function. This is basically the same thing as a PIVOT function in some RDBMS: SELECT distributor_id, count(*) AS total, sum(case when level = 'exec' then 1 else 0 end) AS ExecCount, sum(case when level = 'personal' then 1 else 0 end) A...
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Focus Next Element In Tab Index

... Without jquery: First of all, on your tab-able elements, add class="tabable" this will let us select them later. (Do not forget the "." class selector prefix in the code below) var lastTabIndex = 10; function OnFocusOut() { var currentElement = ...
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Determine if a sequence contains all elements of another sequence using Linq [duplicate]

...nt> hashSet = new HashSet<int>(superset); bool contained = subset.All(i => hashSet.Contains(i)); share | improve this answer | follow | ...
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?

...evelopers inevitably leads to some using the return value of the function called like this: function doSomething() { //Some code return false; } But then they forget to use return doSomething() in the onclick and just use doSomething(). A second reason for avoiding # is that the final re...
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How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?

... edited Feb 22 at 17:13 Callum Watkins 2,22222 gold badges2323 silver badges4040 bronze badges answered Oct 24 '13 at 15:31 ...
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How can I suppress all output from a command using Bash?

...ant error messages to be sent there, use one of (the first may not work in all shells): scriptname &>/dev/null scriptname >/dev/null 2>&1 scriptname >/dev/null 2>/dev/null And, if you want to record the messages, but not see them, replace /dev/null with an actual file, such...