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How can I count text lines inside an DOM element? Can I?
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Check out the function getClientRects() which can be used to count the number of lines in an element. Here is an example of how to use it.
var message_lines = $("#message_container")[0].getClientRects();
It returns a javascript ...
Random row selection in Pandas dataframe
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Thanks @eumiro. I also worked out that df.ix[np.random.random_integers(0, len(df), 10)] would also work.
– John
Apr 10 '13 at 10:58
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Which UUID version to use?
...ads explaining what each version entails, but I am having trouble figuring out what's best for what applications.
4 Answers...
WPF TemplateBinding vs RelativeSource TemplatedParent
...SDN docs are often written by people that have to quiz monosyllabic SDEs about software features, so the nuances are not quite right.
TemplateBindings are evaluated at compile time against the type specified in the control template. This allows for much faster instantiation of compiled templates. ...
Visual Studio popup: “the operation could not be completed”
...ame\v15\.suo
The .vs folder is hidden, and the .suo files is a file without name, with just the .suo extension.
Explanation
The .suo file contain various information like the opened files list, and some preferences that are not saved in the solution file (like the starting project) and o...
Instantiating object of type parameter
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After type erasure, all that is known about T is that it is some subclass of Object. You need to specify some factory to create instances of T.
One approach could use a Supplier<T>:
class MyClass<T> {
private final Supplier<? extends T> ctor;...
Why compile Python code?
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@valentt: Probably not. I don't know much about the Python internals, but I don't think that parsing to bytecode takes a lot of memory in Python. I cannot think of something that needs a lot of memory to remember some state.
– Georg Schölly
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How to calculate the CPU usage of a process by PID in Linux from C?
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You need to parse out the data from /proc/<PID>/stat. These are the first few fields (from Documentation/filesystems/proc.txt in your kernel source):
Table 1-3: Contents of the stat files (as of 2.6.22-rc3)
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Weird “[]” after Java method signature
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I have to say that I am laughing out loud since I saw that code! :-D
– sdlins
Dec 5 '18 at 15:49
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How to serialize a lambda?
...sible to write:
Runnable r = (Runnable & Serializable)() -> System.out.println("Serializable!");
And the lambda automagically becomes serializable.
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