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How can I rollback a github repository to a specific commit?
...HEAD --force instead of git push -f origin branch as that was giving me an error: src refspec branch does not match any. error
– sprocket12
Feb 18 '15 at 20:38
1
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How to Rotate a UIImage 90 degrees?
...his. I set a target size as the current size of the UIImage but I get an error:
19 Answers
...
How do I convert a Vector of bytes (u8) to a string
...::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8];
let s = match str::from_utf8(buf) {
Ok(v) => v,
Err(e) => panic!("Invalid UTF-8 sequence: {}", e...
Actual meaning of 'shell=True' in subprocess
...gt; subprocess.call('echo $HOME')
Traceback (most recent call last):
...
OSError: [Errno 2] No such file or directory
>>>
>>> subprocess.call('echo $HOME', shell=True)
/user/khong
0
Setting the shell argument to a true value causes subprocess to spawn an intermediate shell pro...
Passing arguments to C# generic new() of templated type
...ll, and somebody might try to "clean up" and delete it (to cause a runtime error at some random time in the future). You may want to consider adding a dummy function where you use this constructor just so you get a compile error if you try to delete it.
– jrh
O...
How can I brew link a specific version?
...
Unfortunately, brew tap homebrew/versions now gives me an error Error: homebrew/versions was deprecated. This tap is now empty as all its formulae were migrated `
– Juraj Martinka
Jun 14 '19 at 11:57
...
How do I override __getattr__ in Python without breaking the default behavior?
...lled bar. If the attribute is one you don't want to handle, raise AttributeError:
class Foo(object):
def __getattr__(self, name):
if some_predicate(name):
# ...
else:
# Default behaviour
raise AttributeError
However, unlike __getattr__, __ge...
App Inventor 2 扩展 · App Inventor 2 中文网
...er importing an extension, make sure to restart the companion app, else an error may occur.
Figure 3: An imported extension shown in components palette
2.2 Some sample extensions to try
Here are some sample extension components to experiment with. You can find these in the MIT App Inventor E...
What is a method group in C#?
I have often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like:
5 Answers
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Client to send SOAP request and receive response
...
I am getting the following error and the code terminates: 'soap' is an undeclared prefix. Line 2, position 18. am I missing something? The SOAP UI request for my webservice can be found here: stackoverflow.com/questions/50430398/…
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