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What are the most-used vim commands/keypresses?
I'm a Ruby programming trying to switch from Textmate to MacVim, and I'm having trouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' ...
What is the 'instanceof' operator used for in Java?
...Cat extends Animal implements Domestic {}
Imagine a dog object, created with Object dog = new Dog(), then:
dog instanceof Domestic // true - Dog implements Domestic
dog instanceof Animal // true - Dog extends Animal
dog instanceof Dog // true - Dog is Dog
dog instanceof Object // true - ...
Infinity symbol with HTML
How can I display an infinity symbol (like the one in the picture) using HTML?
9 Answers
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Error - trustAnchors parameter must be non-empty
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See also @AdamPlumb's answer below.
To debug this issue (I wrote about it here) and understand what truststore is being used you can add the property javax.net.debug=all and then filter the logs about truststore. You can also play with the property javax.net.ssl.trustStore to specify a specific ...
.gitignore after commit [duplicate]
I have a git repository hosted on Github. After committing many files, I am realizing that I need to create .gitignore and exclude .exe , .obj files.
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“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]
...lution to this problem is very simple. Double click on your tomcat server. It will open the server configuration. Under server options check ‘Publish module contents to separate XML files’ checkbox. Restart your server. This time your page will come without any issues.
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What does the NS prefix mean?
Many classes in Cocoa/Cocoa Touch have the NS prefix. What does it mean?
9 Answers
9
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Import a file from a subdirectory?
.../tutorial/modules.html
In short, you need to put a blank file named
__init__.py
in the "lib" directory.
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Stop an input field in a form from being submitted
I'm writing some javascript (a greasemonkey/userscript) that will insert some input fields into a form on a website.
12 Ans...
Can someone explain __all__ in Python?
...e and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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