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How to move screen without moving cursor in Vim?
...edalat, it's highly annoying in other editors when you scroll away, don't know where your cursor is anymore and have to use the mouse to click somewhere just so you can get the cursor back. Or you think you are "here", start typing and it suddenly jumps back to where the cursor was, at which point y...
How to add custom method to Spring Data JPA
...
I've followed this answer, unfortunately now Spring Data is trying to find the property "customMethod" on my "Account" object as it is trying to automatically generate a query for all methods defined on the AccountRepository. Any way to stop this?
...
Get event listeners attached to node using addEventListener
...ification or reasoning for why it must work this way? Clearly the browser knows what all of the listeners are.
– Darth Egregious
Apr 5 '12 at 19:23
...
Use of def, val, and var in scala
...cala> def something = 2 + 3 * 4
something: Int
scala> something // now it's evaluated, lazily upon usage
res30: Int = 14
Example, val
scala> val somethingelse = 2 + 3 * 5 // it's evaluated, eagerly upon definition
somethingelse: Int = 17
Example, var
scala> var aVariable = 2 * 3...
How do you determine the size of a file in C?
... way to determine the length of the file.
We'll have to use our mind. For now, we'll use the seek approach!
Synopsis
Seek the file to the end using fseek(3).
Get the current position using ftell(3).
Example
#include <stdio.h>
int main(int argc, char** argv)
{
FILE* fp = fopen(argv[...
Why do people hate SQL cursors so much? [closed]
...
@delm: thanks for the link, now i understand the phrase even less!
– Steven A. Lowe
Nov 13 '08 at 17:20
5
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About “*.d.ts” in TypeScript
...y thanks! But how to map a *.d.ts file to a js file? How does the js file know which d.ts file is mapping to itself? Can you give me an example?
– user3221822
Jan 21 '14 at 1:13
3
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How to use R's ellipsis feature when writing your own function?
...st.
A valid use case for this is in cases where you want to pass in an unknown number of objects for operation (as in your example of c() or data.frame()). It's not a good idea to use the ... when you know each parameter in advance, however, as it adds some ambiguity and further complication to th...
List comprehension on a nested list?
...s actually same as :
New_list=[]
for x in l:
New_list.append(x)
And now nested list comprehension :
[[float(y) for y in x] for x in l]
is same as ;
new_list=[]
for x in l:
sub_list=[]
for y in x:
sub_list.append(float(y))
new_list.append(sub_list)
print(new_list)
o...
Python's equivalent of && (logical-and) in an if-statement
... || and ! are not valid Python operators.
Some of the operators you may know from other languages have a different name in Python.
The logical operators && and || are actually called and and or.
Likewise the logical negation operator ! is called not.
So you could just write:
if len(a) % ...