大约有 15,600 项符合查询结果（耗时：0.0310秒） [XML]
Why are #ifndef and #define used in C++ header files?
...ulate a form which was opened by the form to manipulate. It gaveme lots of errors and I didn't know what to do. I gave up =)
– user142019
Oct 31 '09 at 10:58
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Unable to Connect to GitHub.com For Cloning
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I had the same error because I was using proxy. As the answer is given but in case you are using proxy then please set your proxy first using these commands:
git config --global http.proxy http://proxy_username:proxy_password@proxy_ip:port
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How to automatically indent source code?
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It may be worth noting that auto-indent does not work if there are syntax errors in the document. Get rid of the red squigglies, and THEN try CTRL+K, CTRL+D, whatever...
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Loop backwards using indices in Python?
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yes, PEP-322 gives us a clear and least error-prone way to reverse iterations.
– Allen Shen
Jul 31 '19 at 20:25
1
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Difference between virtual and abstract methods [duplicate]
...ust be call override in derived class other wise it will give compile-time error
and in virtual you may or may not override it's depend if it's good enough use it
Example:
abstract class twodshape
{
public abstract void area(); // no body in base class
}
class twodshape2 : twodshape
{
p...
Execute bash script from URL
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$ sudo bash <(curl -s xxx) got error: bash: /dev/fd/63: Bad file descriptor
– Jake
Nov 9 '15 at 6:49
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How to avoid Python/Pandas creating an index in a saved csv?
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I cant believe nobody noticed the error. To save to csv, it would be df.to_csv('file.csv', index=False)
– MEdwin
Nov 13 '19 at 10:37
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Changing navigation title programmatically
... ViewController.type does not have a member named title. That's the error I get.
– Rising
Aug 6 '14 at 18:27
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How to change shape color dynamically?
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Does not work. You will get a cast error. Needs a fix or another answer accepted
– ndgreen
Jun 30 '14 at 17:32
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What is the difference between “ is None ” and “ ==None ”
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If you use numpy,
if np.zeros(3)==None: pass
will give you error when numpy does elementwise comparison
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