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How do I use jQuery's form.serialize but exclude empty fields

... looking over the jQuery docs and I think we can do this in one line using selectors: $("#myForm :input[value!='']").serialize() // does the job! Obviously #myForm gets the element with id "myForm" but what was less obvious to me at first was that the space character is needed between #myForm and...
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How long is the SHA256 hash?

... you can use this select statement to test it: SELECT length(to_base64(unhex(sha2('say hello to my little friend',256)))) , it is always 44 whatever the length of original string is. – DrAhmedJava Apr 9 '...
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Choosing a file in Python with simple Dialog

...= askopenfilename() # show an "Open" dialog box and return the path to the selected file print(filename) Done! share | improve this answer | follow | ...
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onKeyPress Vs. onKeyUp and onKeyDown

...tabbing. Scenario: The user types 12345 into an input element. The user selects the text 12345. The user types the letter A. When the keypress event fires after entering the letter A, the text box now contains only the letter A. But: Field.val() is 12345. $Field.val().length is 5 The user se...
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Is there a way to get the XPath in Google Chrome?

...asking "how to get an xpath string for an element?", rather than "how do i select by xpath?" wasn't he? – Max Williams Jan 3 '12 at 11:05 3 ...
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Connect to Amazon EC2 file directory using Filezilla and SFTP

...SFTP, Click "Add key file” Browse to the location of your .pem file and select it. A message box will appear asking your permission to convert the file into ppk format. Click Yes, then give the file a name and store it somewhere. If the new file is shown in the list of Keyfiles, then continue t...
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How to make git-diff and git log ignore new and deleted files?

... Offical document: --diff-filter=[(A|C|D|M|R|T|U|X|B)…​[*]] Select only files that are Added (A), Copied (C), Deleted (D), Modified (M), Renamed (R), have their type (i.e. regular file, symlink, submodule, …​) changed (T), are Unmerged (U), are Unknown (X), or have had their pairi...
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How do I delete NuGet packages that are not referenced by any project in my solution?

... First open the Package Manager Console. Then select your project from the dropdown list. And run the following commands for uninstalling nuget packages. Get-Package for getting all the package you have installed. and then Uninstall-Package PagedList.Mvc --- to unin...
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error, string or binary data would be truncated when trying to insert

...ay cause it. In my case i was creating the table with a field like this: Select '' as Period, * From Transactions Into #NewTable Therefore the field "Period" had a length of Zero and causing the Insert operations to fail. I changed it to "XXXXXX" that is the length of the incoming data and it n...
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Entity Attribute Value Database vs. strict Relational Model Ecommerce

...uld be domain models. Sort of like a serialization, but you could use SQL selects on indexed text fields. No multiple selects per record. All the "cost" happens in RAM. – Zachary Scott Jun 15 '10 at 3:06 ...