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Mimicking sets in JavaScript?
... you can use the Set object built into ES6. It has very nice capabilities and can be used as is right in your environment.
For many simple things in an ES5 environment, using an Object works very well. If obj is your object and A is a variable that has the value you want to operate on in the set,...
What are the true benefits of ExpandoObject?
The ExpandoObject class being added to .NET 4 allows you to arbitrarily set properties onto an object at runtime.
10 Answ...
Does IE9 support console.log, and is it a real function?
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In Internet Explorer 9 (and 8), the console object is only exposed when the developer tools are opened for a particular tab. If you hide the developer tools window for that tab, the console object remains exposed for each page you navigate to. If ...
pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible
....1:
The incompatibility of (upstream) pydot has been fixed by 6dff94b3f1, and thus pydot >= 1.1 will be compatible with pyparsing >= 1.5.7.
Answer applicable to pydot <= 1.0.28:
For anyone else who comes across this, it is due to the changes in pyparsing from 1.x to the 2.x release.
To...
Is it good practice to NULL a pointer after deleting it?
I'll start out by saying, use smart pointers and you'll never have to worry about this.
18 Answers
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Mockito How to mock only the call of a method of the superclass
...wever you are not allowed to change the code, but you must test it anyway, and in this awkward way, there is still hope. With some AOP tools (for example AspectJ) you can weave code into the super class method and avoid its execution entirely (yuck). This doesn't work if you're using proxies, you ha...
Converting HTML files to PDF [closed]
... say the real problem with Flying Saucer is that it requires a well-formed and valid XML document. It's easy to unwittingly break the PDF rendering by including something like an ampersand in your HTML, or some javascript code that makes your rendered HTML not strict XHTML. Though this can be mitiga...
Java: random long number in 0
Random class has a method to generate random int in a given range. For example:
16 Answers
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Fully backup a git repo?
Is there a simple way to backup an entire git repo including all branches and tags?
13 Answers
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Bootstrap Modal immediately disappearing
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bootstrap.min.js (same as above, just minified)
bootstrap-modal.js (the standalone plugin)
a dependency loader, e.g., require('bootstrap')
Debugging Tips
A good place to start is to inspect the registered click event listeners using the developer tools in your browser. Chrome, for instance, wil...