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What is :: (double colon) in Python when subscripting sequences?
I know that I can use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence[::3] ?
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What part of Hindley-Milner do you not understand?
...σ), see overleaf.com/read/ddmnkzjtnqbd#/61990222
– SnowOnion
May 14 '18 at 14:02
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Pointer to class data member “::*”
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Here's a real-world example I am working on right now, from signal processing / control systems:
Suppose you have some structure that represents the data you are collecting:
struct Sample {
time_t time;
double value1;
double value2;
double value3;
};
Now ...
SSH Private Key Permissions using Git GUI or ssh-keygen are too open
...y product of it's target audience). Using the git.exe in Winodws shell is known to have issues, I would advise sticking with msysgit. At least until GitSharp is fully working.
– Koby
Aug 24 '10 at 21:22
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pip issue installing almost any library
...ll to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neither is getting the job done.
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java.util.regex - importance of Pattern.compile()?
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It always seems like you know so much about Java. They should hire you to work for them...
– jjnguy
Nov 12 '09 at 6:24
add a ...
Git stash pop- needs merge, unable to refresh index
...ash because I merged a branch which apparently conflicts with my stash and now my stash is seemingly unable to be popped.
1...
Timer function to provide time in nano seconds using C++
...e QueryPerformanceCounter. And here is more on QPC
Apparently there is a known issue with QPC on some chipsets, so you may want to make sure you do not have those chipset. Additionally some dual core AMDs may also cause a problem. See the second post by sebbbi, where he states:
QueryPerformance...
UITableViewCell Separator disappearing in iOS7
...s not shown!
I overrode layoutSubviews in my UITableViewCell subclass and now the separators are displayed reliably:
Objective-C:
- (void)layoutSubviews {
[super layoutSubviews];
for (UIView *subview in self.contentView.superview.subviews) {
if ([NSStringFromClass(subview.class) ...
Why do I need to override the equals and hashCode methods in Java?
... hashCode(), let's see what would happen in this particular case where we know that two objects of MyClass are equal if their importantField is equal but we do not override equals().
Override only hashCode
If you only override hashCode then when you call myMap.put(first,someValue) it takes first, ca...