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How to use wait and notify in Java without IllegalMonitorStateException?

I have 2 matrices and I need to multiply them and then print the results of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order. So my idea is to mak...
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Get started with Latex on Linux [closed]

Impressed by is-latex-worth-learning-today , and many how-to's on Windows, 8 Answers ...
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GOTO still considered harmful? [closed]

... editor: go to statement considered harmful (also here .html transcript and here .pdf) and there has been a formidable push since that time to eschew the goto statement whenever possible. While it's possible to use goto to produce unmaintainable, sprawling code, it nevertheless remains in mode...
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Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari

I came across Xamarin claims that their Mono implementation on Android and their C# compiled apps are faster than Java code. Did anyone perform actual benchmarks on very similar Java and C# code on different Android platforms to verify such claims, could post the code and results? ...
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Version vs build in Xcode

I have an app that I developed with Xcode 3 and recently started editing with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the vers...
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what is the difference between 'transform' and 'fit_transform' in sklearn

In the sklearn-python toolbox, there are two functions transform and fit_transform about sklearn.decomposition.RandomizedPCA . The description of two functions are as follows ...
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Conventions for exceptions or error codes

...error codes. The default behaviour of an exception is to unwind the stack and stop the program, if I'm writing a script an and I go for a key that's not in a dictionary it's probably an error, and I want the program to halt and let me know all about that. If, however, I'm writing a piece of code ...
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IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat

I am running Intellij Ultimate with Tomcat and deploy a war. Everything deploys fine to the webapp directory of tomcat. ...
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How to save an activity state using save instance state?

I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example: ...
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How can I automatically deploy my app after a git push ( GitHub and node.js)?

...tory add click "Admin" click tab 'Service Hooks' => 'WebHook URLs' and add http://your-domain-name/git_test.php then create git_test.php <?php try { $payload = json_decode($_REQUEST['payload']); } catch(Exception $e) { exit(0); } //log the request file_put_contents('logs/github...