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Append an object to a list in R in amortized constant time, O(1)?

...means also see some of the comments below. One suggestion for list types: newlist <- list(oldlist, list(someobj)) In general, R types can make it hard to have one and just one idiom for all types and uses. share ...
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Accessing MVC's model property from Javascript

...get; set; } } And the values we assign this Model are AppUser appUser = new AppUser { Name = "Raj", IsAuthenticated = true, LoginDateTime = DateTime.Now, Age = 26, UserIconHTML = "<i class='fa fa-users'></i>" }; Property assignment Lets use different syntax for ...
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PHP “pretty print” json_encode [duplicate]

... | edited Jan 26 '19 at 3:51 answered Nov 30 '12 at 4:27 pe...
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Android studio: new project vs new module

...Eclipse use projects . However AS File menu has the option to create a New Module as well as a new Project . 7 Answer...
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Android: View.setID(int id) programmatically - how to avoid ID conflicts?

... According to View documentation The identifier does not have to be unique in this view's hierarchy. The identifier should be a positive number. So you can use any positive integer you like, but in this case there can be some views with equivalent id's. If you...
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How to write a scalable Tcp/Ip based server

I am in the design phase of writing a new Windows Service application that accepts TCP/IP connections for long running connections (i.e. this is not like HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks). ...
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How to prepend a string to a column value in MySQL?

... UPDATE table_name SET Column1 = CONCAT('newtring', table_name.Column1) where 1 UPDATE table_name SET Column1 = CONCAT('newtring', table_name.Column2) where 1 UPDATE table_name SET Column1 = CONCAT('newtring', table_name.Column2, 'newtring2') where 1 We can concat...
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SHA1 vs md5 vs SHA256: which to use for a PHP login?

...salt and re-hash multiple times. Using bcrypt in PHP 5.5+ PHP 5.5 offers new functions for password hashing. This is the recommend approach for password storage in modern web applications. // Creating a hash $hash = password_hash($password, PASSWORD_DEFAULT, ['cost' => 12]); // If you omit the...
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count(*) vs count(column-name) - which is more correct? [duplicate]

... my answer). – nickf Jun 9 '10 at 7:51 1 To be exact, COUNT(column) counts rows in which values o...
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How can I change the color of a part of a TextView?

...tring.currentversion) + CepVizyon.getLicenseText(); Spannable spannable = new SpannableString(text2); spannable.setSpan(new ForegroundColorSpan(Color.WHITE), text.length(), (text + CepVizyon.getPhoneCode()).length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); myTextView.setText(spannable, TextView.Buff...