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Check if a value exists in ArrayList

...} } return result; } Call it like this: public static void main(String args[]) { EmployeeModel first = new EmployeeModel("Sameer", "Developer", 25); EmployeeModel second = new EmployeeModel("Jon", "Manager", 30); EmployeeModel third = new EmployeeModel("Priyanka", "Tester", 2...
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Rails migrations: self.up and self.down versus change

...d only delete this column on down def up add_column :users, :location, :string User.update_all(location: 'Minsk') end def down remove_column :users, :location end But: You had to avoid using change method which allows to save some time. For example, if you didn’t need to update column v...
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Is there a way to make a PowerShell script work by double clicking a .ps1 file?

...Write-Host "Try to go back." } } Process { # Text Menu [string]$TexteMenu = "Go inside PowerShell" # Text of the program to create [string] $TexteCommande = "%systemroot%\system32\WindowsPowerShell\v1.0\powershell.exe -Command ""&'%1'""" # Key to create [Stri...
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Which is a better way to check if an array has more than one element?

... @AlixAxel hmm, but if $arr is a string, count($arr) would return character count of that string so ya – Andreas Wong Apr 5 '12 at 8:18 ...
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Deep cloning objects

... Your example illustrates the problem. Suppose you have a Dictionary<string, Customer>. Should the cloned Dictionary have the same Customer objects as the original, or copies of those Customer objects? There are reasonable use cases for either one. But ICloneable doesn't make clear which...
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How and where are Annotations used in Java?

...notations such as NotNull, like in: public void processSomething(@NotNull String text) { ... } which allows the compiler to warn you about improper/unchecked uses of variables and null values. Another more advanced application for annotations involves reflection and annotation processing at ...
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Grep regex NOT containing string

...%2f%2fstackoverflow.com%2fquestions%2f10411616%2fgrep-regex-not-containing-string%23new-answer', 'question_page'); } ); Post as a guest Name ...
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How can you integrate a custom file browser/uploader with CKEditor?

...ard alert dialog, such as "illegal file" or something. Set url to an empty string if the third parameter is an error message. CKEditor's "upload" tab will submit a file in the field "upload" - in PHP, that goes to $_FILES['upload']. What CKEditor wants your server to output is a complete JavaScript...
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Determine if the device is a smartphone or tablet? [duplicate]

...he actual screen size. One other solution that I found here by John uses a String resource, instead of a boolean, to specify the tablet size. So, instead of just putting true in a /res/values-sw600dp/screen.xml file (assuming this is where your layouts are for small tablets) you would put: <?xml...
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Java Stanford NLP: Part of Speech labels?

...D" ), /* Stanford. */ SENTENCE_TERMINATOR( "." ); private final String tag; private PartOfSpeech( String tag ) { this.tag = tag; } /** * Returns the encoding for this part-of-speech. * * @return A string representing a Penn Treebank encoding for an English * part-...