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How to use base class's constructors and assignment operator in C++?
...= d;}
Normally copy constructors chain so that they are copy constructed from the base up. Here because you are calling the assignment operator the copy constructor must call the default constructor to default initialize the object from the bottom up first. Then you go down again using the assignm...
What's the fuss about Haskell? [closed]
.... In that sense it's better than a C program. But how is this so different from (say) a Python program with a very similar structure?
The answer is lazy evaluation. In most languages (even some functional ones), a program structured like the one above would result in the entire file being loaded in...
What is the difference between the WPF TextBlock element and Label control? [duplicate]
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The WPF Textblock inherits from FrameworkElement instead of deriving from System.Windows.Control like the Label Control. This means that the Textblock is much more lightweight. The downside of using a textblock is no support for Access/Accerelator Keys...
Expand Python Search Path to Other Source
...p frameworks), it's not entirely uncommon to do something like
import sys
from os.path import dirname
sys.path.append(dirname(__file__))
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Why covariance and contravariance do not support value type
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How is int not a subtype of object? Int32 inherits from System.ValueType, which inherits from System.Object.
– David Klempfner
Nov 6 '18 at 3:39
1
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Display Animated GIF
...;/html>";
// Important to add this attribute to webView to get resource from outside.
webView.getSettings().setAllowFileAccess(true);
// Notice: should use loadDataWithBaseURL. BaseUrl could be the base url such as the path to asset folder, or SDCard or any other path, where your images or the o...
Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
...but it is not always clear where the log files are, when tomcat is started from an IDE. When I start it from IntelliJ, CATALINA_BASE is set to ${home}/.IntelliJIdea10/system/tomcat/Unnamed_r6-idea, and the log files are in in [CATALINA_BASE]/logs.
To see the logs, either locate the log files, or ed...
Remove querystring from URL
What is an easy way to remove the querystring from a Path in Javascript?
I have seen a plugin for Jquery that uses window.location.search. I can not do that: The URL in my case is a variable that is set from AJAX.
...
Is there a way to use PhantomJS in Python?
...u are using that)
After installation, you may use phantom as simple as:
from selenium import webdriver
driver = webdriver.PhantomJS() # or add to your PATH
driver.set_window_size(1024, 768) # optional
driver.get('https://google.com/')
driver.save_screenshot('screen.png') # save a screenshot to d...
What is TypeScript and why would I use it in place of JavaScript? [closed]
...nitially, this was only Microsoft's Visual Studio (also noted in blog post from Miguel de Icaza). These days, other IDEs offer TypeScript support too.
Are there other technologies like it?
There's CoffeeScript, but that really serves a different purpose. IMHO, CoffeeScript provides readability for...