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Capture HTML Canvas as gif/jpg/png/pdf?

...e image will be saved. Location in my local? – chinna_82 Jul 17 '13 at 3:30 5 the image will be d...
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What is Data Transfer Object?

... If I have model A and I need to pass it to two subsystems will there be A_DTO_1 and A_DTO_2 with the relevant fields of each? "DTOs can be to encapsulate parameters for method calls" --> So every class that wraps parameters is DTO even if this is not distributed system? Are't models in MVC th...
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PHP prepend associative array with literal keys?

...epend an associative array with literal key=>value pairs? I know that array_unshift() works with numerical keys, but I'm hoping for something that will work with literal keys. ...
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How do I return multiple values from a function? [closed]

...ins high (I was wrong in my last comment about "under 1 KB" for the class, _source by itself is typically 1.5 KB; _source is removed in 3.7, so it's likely closer to the original claim of just under 1 KB per class creation). – ShadowRanger Apr 20 '18 at 19:31 ...
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Case-insensitive string comparison in C++ [closed]

... Take advantage of the standard char_traits. Recall that a std::string is in fact a typedef for std::basic_string<char>, or more explicitly, std::basic_string<char, std::char_traits<char> >. The char_traits type describes how characters compar...
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schema builder laravel migrations unique on two columns

...nique key across multiple columns. $table->unique(array('mytext', 'user_id')); or (a little neater) $table->unique(['mytext', 'user_id']); share | improve this answer | ...
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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?

...Available overloads are 1, 2 or 3 object parameters, 4 object parameters + __arglist and a params object array version. – Wormbo May 30 '12 at 17:20 ...
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Install NPM into home directory with distribution nodejs package (Ubuntu)

... up a package root in my homedir to hold the Node "global" packages: $ NPM_PACKAGES="$HOME/.npm-packages" $ mkdir -p "$NPM_PACKAGES" Set NPM to use this directory for its global package installs: $ echo "prefix = $NPM_PACKAGES" >> ~/.npmrc Configure your PATH and MANPATH to see commands i...
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Xcode Debugger: view value of variable

...int "self.variable" directly, but you can use Andriy solution for printing _<variable's name>. For example: for self.btnHello write in the console "po _btnHello" (this only works if you haven't changed the getter method's name) – LightMan May 27 '13 at 15...
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difference between primary key and unique key

...edited Mar 17 '17 at 9:27 stuart_mad 12511 silver badge1414 bronze badges answered Jun 26 '12 at 0:14 dhidhi ...