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How do I import a specific version of a package using go get?
...e github page they suggest to migrate to the official packages management (now go modules)
– damoiser
May 24 '19 at 9:14
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C# pattern to prevent an event handler hooked twice [duplicate]
...ed from the public event to the private delegate, e.g. Foo?.Invoke() would now become foo?.Invoke(). Otherwise you get an error.
– toddmo
Oct 19 '17 at 16:19
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How to filter by IP address in Wireshark?
...or display purpose only. its like you are interested in all trafic but for now you just want to see specific.
but if you are interested only in certian traffic and does not care about other at all then you use the capture filter.
The Syntax for display filter is (as mentioned earlier)
ip.addr = ...
How to get Linux console window width in Python
...implementation is in the os module. Also works in Windows.
A backport is now available for Python 3.2 and below:
https://pypi.python.org/pypi/backports.shutil_get_terminal_size
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Store a closure as a variable in Swift
...e realized with an optional:
var completionHandler: ((Float)->Void)?
Now the property is automatically initialized to nil ("no value").
In Swift you would use optional binding to check of a the
completion handler has a value
if let handler = completionHandler {
handler(result)
}
or opti...
How to encode a URL in Swift [duplicate]
...s better for usability to avoid percent-
encoding those characters.
Nowadays, you'd generally use URLComponents to percent escape the query value:
var address = "American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India"
var components = URLComponents(string: "http://maps....
Where is the C auto keyword used?
...
If you'd read the IAQ (Infrequently Asked Questions) list, you'd know that auto is useful primarily to define or declare a vehicle:
auto my_car;
A vehicle that's consistently parked outdoors:
extern auto my_car;
For those who lack any sense of humor and want "just the facts Ma'am": th...
Java SecurityException: signer information does not match
...s solution, I just changed the order of junit5 and my hamcrest-all.jar and now my tests are working again :)
– Wallnussfolie
Apr 6 at 13:49
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Why isn't there a Guid.IsNullOrEmpty() method
...e, so a variable of type Guid can't be null to start with. If you want to know if it's the same as the empty guid, you can just use:
if (guid == Guid.Empty)
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“The Controls collection cannot be modified because the control contains code blocks”
...Block" for the same purpose, but was always annoyed by the fact I didn't know of anything besides that (or as others have mentioned, moving the code into a tag made to run server-side). I never knew these placeholders could have content inside of them. Thank you!
– JayC
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