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An instantiation error is thrown if an argument is not sufficiently instantiated. Critically, an instantiation error cannot be replaced by silent failure: Failing in such cases would mean that there is no solution, whereas an instantiation error means that an instance of the argument may participat...

Prolog features exceptions, which are part of the Prolog ISO standard. An exception can be thrown with throw/1, and caught with catch/3. The ISO standard defines many cases in which errors must or may be thrown. The standardized exceptions are all of the form error(E,_), where E indicates the erro...

The predicate setup_call_cleanup/3, which is currently being considered for inclusion in the Prolog ISO standard and provided by an increasing number of implementations, lets us ensure that resources are correctly freed after an exception is thrown. A typical invocation is: setup_call_cleanup(open...

A type error occurs if an argument is not of the expected type. Examples of types are: integer atom list. If the predicate is of the expected type, but outside the expected domain, then a domain error is raised. For example, a domain error is admissible if an integer between 0 and 15 is exp...

gem 'any gem',git: 'any repo',branch: 'specific branch of that repo',ref: 'reference no.' ref specifies individual commit. branch specifies the git branch to pull from.

public void Screenshot() throws Throwable{ final byte[] screenshot = ((TakesScreenshot) driver).getScreenshotAs(OutputType.BYTES); scenario.embed(screenshot, "image/png"); // ... and embed it in the report. Thread.sleep(1000); } Alternately public static void captureSc...

Range.CurrentRegion is a rectangular range area surrounded by empty cells. Blank cells with formulas such as ="" or ' are not considered blank (even by the ISBLANK Excel function). Dim rng As Range, lastCell As Range Set rng = Range("C3").CurrentRegion ' or Set rng = Shee...

#include <iostream> #include <map> #include <string> using namespace std; class A { public: map<string, string> * mapOfStrings; public: A() { mapOfStrings = new map<string, string>(); } void insertEntry(string const & key, st...

Frontend Interface /** * Entity attribute frontend interface * * Frontend is providing the user interface for the attribute * */ interface Mage_Eav_Model_Entity_Attribute_Frontend_Interface { } Source Interface /** * Entity attribute select source interface * * Source is providing ...

This is literally the only thing you need to start using RxJava on Android. Include RxJava and RxAndroid in your gradle dependencies: // use the last version compile 'io.reactivex.rxjava2:rxjava:2.1.1' compile 'io.reactivex.rxjava2:rxandroid:2.0.1' RxAndroid main addition to RxJava is a Sche...

Decision boundary when we classify using logistic regression- Decision boundary when we classify using SVM- As it can be observed, SVM tries to maintain a 'gap' on either side of the decision boundary. This proves helpful when we encounter new data. With new data- Logistic regression perform...

This example shows how to validate forms in Spring MVC using Bean Validation API using Java Annotations, without any xml. User will be proposed to input their registration data and validator will check it for validity. Add Dependencies First of all add the following dependencies in your project: ...

Observers are used for listening to livecycle callbacks of a certain model in Laravel. These listeners may listen to any of the following actions: creating created updating updated saving saved deleting deleted restoring restored Here is an example of an observer. UserObserver &l...

Assuming we have the following function: function foo(tab) return tab.a end -- Script execution errors out w/ a stacktrace when tab is not a table Let's improve it a bit function foo(tab) if type(tab) ~= "table" then error("Argument 1 is not a table!", 2) end ...

Set this attribute in your manifest's or element to enable or disable multi-window display: android:resizeableActivity=["true" | "false"] If this attribute is set to true, the activity can be launched in split-screen and freeform modes. If the attribute is set to false, the...

Format: cd "<path>" Example: cd "C:\Program Files (x86)\Microsoft Office" cd is an abbreviation for chdir and the two commands behave in the exact same way. For the sake of consistency, cd will be used throughout this topic. To navigate to the directory one leve...

Usage to list all folders and files in the current directory: dir A target directory can also be specified: dir C:\TargetPath When specifying a path with spaces, it must be surrounded by quotes: dir "C:\Path With Spaces"

[merge] tool = intellij [mergetool "intellij"] cmd = cmd \"/C D:\\workspace\\tools\\symlink\\idea\\bin\\idea.bat merge $(cd $(dirname "$LOCAL") && pwd)/$(basename "$LOCAL") $(cd $(dirname "$REMOTE") && pwd)/$(basename "$REM...

[diff] tool = intellij guitool = intellij [difftool "intellij"] path = D:/Program Files (x86)/JetBrains/IntelliJ IDEA 2016.2/bin/idea.bat cmd = cmd \"/C D:\\workspace\\tools\\symlink\\idea\\bin\\idea.bat diff $(cd $(dirname "$LOCAL") && pwd)/$(ba...

Options are used for adding capabilities such as "User-Agent". Example in C#: var options = new PhantomJSOptions(); options.AddAdditionalCapability("phantomjs.page.settings.userAgent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:25.0) Gecko/20100101 Firefox/25.0&qu...