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How to write “Html.BeginForm” in Razor

...data" })) { @Html.ValidationSummary(true) <fieldset> Select a file <input type="file" name="file" /> <input type="submit" value="Upload" /> </fieldset> } and generates as expected: <form action="/Upload/Upload" enctype="multipart/form-data" m...
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Adding IN clause List to a JPA Query

...need (...): @NamedQuery(name = "EventLog.viewDatesInclude", query = "SELECT el FROM EventLog el WHERE el.timeMark >= :dateFrom AND " + "el.timeMark <= :dateTo AND " + "el.name IN :inclList") share ...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

...o training and validation (again, 80/20 is a fair split). Subsample random selections of your training data, train the classifier with this, and record the performance on the validation set Try a series of runs with different amounts of training data: randomly sample 20% of it, say, 10 times and obs...
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What is DOCTYPE?

...de), depending on the exact spelling of the DOCTYPE. You want to use it to select a browser mode that best suits your page. Formally, in SGML and XML, a DOCTYPE declaration is a reference to a Document Type Definition (DTD), which specifies the formal syntax rules of the markup language. No browser...
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SQL UPDATE all values in a field with appended string CONCAT not working

... That's pretty much all you need: mysql> select * from t; +------+-------+ | id | data | +------+-------+ | 1 | max | | 2 | linda | | 3 | sam | | 4 | henry | +------+-------+ 4 rows in set (0.02 sec) mysql> update t set data=concat(data, 'a');...
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How do you list all triggers in a MySQL database?

...w triggers; or you can access the INFORMATION_SCHEMA table directly by: select trigger_schema, trigger_name, action_statement from information_schema.triggers You can do this from version 5.0.10 onwards. More information about the TRIGGERS table is here. ...
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Merge multiple lines (two blocks) in Vim

... You can certainly do all this with a single copy/paste (using block-mode selection), but I'm guessing that's not what you want. If you want to do this with just Ex commands :5,8del | let l=split(@") | 1,4s/$/\=remove(l,0)/ will transform work it make it do it makes us harder better faster...
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Should I use “hasClass” before “addClass”? [duplicate]

... Hey Jon :) It is mouse selectable as well.. (click on line number and shift+click on another to select all lines..) – Gabriele Petrioli Nov 13 '12 at 10:30 ...
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List all files in one directory PHP [duplicate]

...de and reviews used something like foreach(scandir($x) as $file) if ($file selection) {...}, and glob() not need the if, neither regular expressions or array_diffs for selection. – Peter Krauss Sep 14 '16 at 1:38 ...
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Declaration/definition of variables locations in ObjectiveC?

...#import "Cow.h" #import <Foundation/Foundation.h> int main(int argc, char *argv[]) { @autoreleasepool { Cow *cow = [Cow new]; [cow performSelector:@selector(blindAccess)]; } } This prints iMadeVisible iMadeVisible2 iMadeVisible3 Note that I was able to access the...