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Removing multiple keys from a dictionary safely
...rches the same. And this might help.
Update
The above code will throw an error if a key does not exist in the dict.
DICTIONARY = {'a': 'valueA', 'b': 'valueB', 'c': 'valueC', 'd': 'valueD'}
keys = ['a', 'l', 'c']
def remove_keys(key):
try:
DICTIONARY.pop(key, None)
except:
...
How to redirect output of an entire shell script within the script itself?
...nal, standard input is also writable and both standard output and standard error are readable by virtue (or is it 'vice'?) of a historical quirk: the terminal is opened for reading and writing and the same open file description is used for all three standard I/O file descriptors.
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How do I build a numpy array from a generator?
...rables such as generators is deprecated as of NumPy 1.16 and will raise an error in the future.
– Joseph Sheedy
Mar 4 '19 at 20:19
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Difference between static STATIC_URL and STATIC_ROOT on Django
...o static files to be found.
It would be thoughtful if Django spit out an error message stating you can't use a http(s):// with DEBUG = True
I had to change STATIC_URL to be '/static/'
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How to Calculate Execution Time of a Code Snippet in C++
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I am getting this error with your c++11 solution : /usr/lib/x86_64-linux-gnu/libstdc++.so.6: version GLIBCXX_3.4.19 not found (required by ../cpu_2d/g500)
– user9869932
Sep 2 '15 at 20:13
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Timer & TimerTask versus Thread + sleep in Java
...tion may happen which can slow down your whole application. These kinds of errors are hard to diagnose and it's a good idea to prevent their existance.
The other aproach triggers the execution of the code that matters to you, i.e. NewUploadServer.getInstance().checkAndUploadFiles(); by calling the ...
angularjs directive call function specified in attribute and pass an argument to it
...only have one of those on an element (otherwise you'll run into an angular error: Multiple directives [directive1, directive2] asking for isolated scope)
This means you :
can't use it on an element hat has an isolated scope itself
can't use two directives with this solution on the same element
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How can I test what my readme.md file will look like before committing to github?
...ub doesn't. There are other differences. The only safe bet is to trial and error with a gist and delete it when you are done.
– Bruno Bronosky
Apr 7 '18 at 2:18
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Java8 Lambdas vs Anonymous classes
...= 0;
Runnable r = ()->{
int cnt = 5; //compilation error
System.out.println("in run"+cnt);};
Thread t = new Thread(r);
t.start();
}
3) Performance
At runtime anonymous inner classes require class loading, memory allocation and object initial...
Concatenating two one-dimensional NumPy arrays
...ould be able to concatenate them using numpy.concatenate . But I get this error for the code below:
6 Answers
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