大约有 42,000 项符合查询结果(耗时:0.0647秒) [XML]
How do I catch a numpy warning like it's an exception (not just for testing)?
...in Python for a project I'm doing. I'm doing a barycentric style one to avoid using an explicit for-loop as opposed to a Newton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes it a warning instead of a normal excep...
How to redirect cin and cout to files?
...clude <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(std::cin, line)) //input from the file in.txt
{
std::cout << line << "\n"; //output to the file out.txt
}
}
int main()
{
std::ifstream i...
Is it safe to ignore the possibility of SHA collisions in practice?
...
The usual answer goes thus: what is the probability that a rogue asteroid crashes on Earth within the next second, obliterating civilization-as-we-know-it, and killing off a few billion people? It can be argued that any unlucky event with a probability lower than that is not actually very import...
Why does Razor _layout.cshtml have a leading underscore in file name?
...t in a config file somewhere (machine config as default) so it can be overridden. Also these default names of common pages should be configurable (Layout/Error/etc...).
– Tony Wall
Feb 7 '14 at 11:05
...
Git: How to edit/reword a merge commit's message?
...This happens because you modified commits that you already sent. It is considered bad practice to force push to a server since it can completely desync you and your co-workers. Well, if you're alone it should not be a problem.
– ibizaman
Jan 14 '14 at 8:56
...
Convert a row of a data frame to vector
... been changed in the meantime, but today unlist allows dropping names: identical(unlist(df[1,], use.names = FALSE), as.numeric(df[1,])) (and btw df still is not a sensible name for a data.frame... ;-))
– Andri Signorell
Sep 25 '19 at 13:51
...
Can PostgreSQL index array columns?
...ntation. If a column is an array type, will all the entered values be individually indexed?
3 Answers
...
How can I make Bootstrap columns all the same height?
...-4" style="background-color: yellow">
catz
<img width="100" height="100" src="https://placekitten.com/100/100/">
</div>
<div class="col-md-4" style="background-color: green">
some more content
</div>
</div>
&l...
Can Protractor and Karma be used together?
...9927049
Protractor and Karma should not be used together; instead they provide separate systems for running tests. Protractor and Karma cover different aspects of testing - Karma is intended mostly for unit tests, while Protractor should be used for end to end testing.
Protractor is built on top of ...
How can I specify a branch/tag when adding a Git submodule?
...nd of course, after reading your answer, I realized the commit is saved inside the submodule itself (submodule/.git/HEAD).
– Ivan
Nov 22 '09 at 18:19
5
...