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How do you pass a function as a parameter in C?
I want to create a function that performs a function passed by parameter on a set of data. How do you pass a function as a parameter in C?
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What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
...ator. However, type checking (if you want to call it that) is usually done by wrapping a type-specific test in a try-except clause, as it's not so much the type of the variable that's important, but whether you can do a certain something with it or not.
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Java Generics: Cannot cast List to List? [duplicate]
...e.
In the first case, imagine that the code did compile, and was followed by:
b1.add(new SomeOtherTree());
DataNode node = a1.get(0);
What would you expect to happen?
You can do this:
List<DataNode> a1 = new ArrayList<DataNode>();
List<? extends Tree> b1 = a1;
... because t...
What does (x ^ 0x1) != 0 mean?
...is implicit (doesn't require cast syntax). But no conversion is triggered by bitwise operators, they simply fail for floating-point types.
– Ben Voigt
Dec 20 '13 at 5:37
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How to check if element is visible after scrolling?
...e if an element is visible in the viewpor, or in any scrollable container, by using an observer.
The need to attach a scroll event and manually checking on the event callback is eliminated, thus the efficiency:
// this is the target which is observed
var target = document.querySelector('div')
/...
How do I display an alert dialog on Android?
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shouldn't the AlertDialog.Builder(this) be replaced by AlertDialog.Builder(className.this) ?
– Apurva
Feb 3 '15 at 10:00
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Capturing standard out and error with Start-Process
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IMPORTANT:
We have been using the function as provided above by LPG.
However, this contains a bug you might encounter when you start a process that generates a lot of output. Due to this you might end up with a deadlock when using this function. Instead use the adapted version below:
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Change default app.config at runtime
...don't see how this helps me. This will add a section to the file specified by file_path. This will not make the section available to users of ConfigurationManager.GetSection, because GetSection uses the default app.config.
– Daniel Hilgarth
May 27 '11 at 10:13
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How to serialize an object into a string
...econd code you posted is the encoding. You should additionally encode the bytes to make sure none of them fails.
If you still want to write it down into a String you can encode the bytes using java.util.Base64.
Still you should use CLOB as data type because you don't know how long the serialized...
Custom bullet symbol for elements in that is a regular character, and not an image
...ue. The negative text-indent causes the first line to be moved to the left by that amount, creating a hanging indent.
The HTML will contain our standard UL, but with whatever character or HTML entity that you want to use in place of the bullet preceding the content of the list item. In our case we'l...