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Is it possible to cast a Stream in Java 8?
...es of ggovan's answer, I do this as follows:
/**
* Provides various high-order functions.
*/
public final class F {
/**
* When the returned {@code Function} is passed as an argument to
* {@link Stream#flatMap}, the result is a stream of instances of
* {@code cls}.
*/
p...
Python csv string to array
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Make sure the Unicode file does not have a BOM (Byte Order Marker)
– Pierre
Oct 13 '14 at 14:04
1
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Convert array of strings into a string in Java
...s you might not really notice the difference, but for large ones it can be orders of magnitude slower.
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How can I make one python file run another? [duplicate]
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There are more than a few ways. I'll list them in order of inverted preference (i.e., best first, worst last):
Treat it like a module: import file. This is good because it's secure, fast, and maintainable. Code gets reused as it's supposed to be done. Most Python libraries...
Tomcat: How to find out running tomcat version
...e correct answer. I don't see why you need to write a JSP and deploy it in order to determine the tomcat version. This answer can has wider audience not just programmers, such as system admin just wanting to know exact tomcat version.
– Itherael
Nov 1 '17 at 17...
Is the size of C “int” 2 bytes or 4 bytes?
...ial example to extract the value 16 from the comment. For signed types, in order to distinguish between positive and negative values (that's the sign), we need to also include the sign bit.
INT_MIN -32768 // -(2¹⁵)
INT_MAX +32767 // ...
Is Java “pass-by-reference” or “pass-by-value”?
...e get to the Java implementation:
Values go on and off the stack in a nice orderly fashion, like a stack of plates at a cafeteria.
Memory in the heap (also known as dynamic memory) is haphazard and disorganized. The JVM just finds space wherever it can, and frees it up as the variables that use it a...
Why is a 3-way merge advantageous over a 2-way merge?
...e to the original), why can't it apply both changes serially in increasing order of files' timestamps? That is: It starts off with my friend's committed copy taking it to be the (new) original (with the line addition at the top) and then, on top of it, applies my local changes (line deletion at the ...
Correct format specifier to print pointer or address?
...C99.
All object pointers are implicitly convertible to void* in C, but in order to pass the pointer as a variadic argument, you have to cast it explicitly (since arbitrary object pointers are only convertible, but not identical to void pointers):
printf("x lives at %p.\n", (void*)&x);
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Difference between a theta join, equijoin and natural join
...h no name. I know it is not a set because, among other reasons, the column order is significant. It's not even a SQL table or SQL table expression. I call it a resultset.
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