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How to store a command in a variable in a shell script?
... injection or privilege escalation vulnerabilities if that variable can be set by someone with less privileges. (Iterating over all subdirectories in /tmp, for instance? You'd better trust every single user on the system to not make one called $'/tmp/evil-$(rm -rf $HOME)\'$(rm -rf $HOME)\'/').
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Delete directories recursively in Java
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You should check out Apache's commons-io. It has a FileUtils class that will do what you want.
FileUtils.deleteDirectory(new File("directory"));
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How to effectively work with multiple files in Vim
...pen a new file, I use
:e ../myFile.pl
with enhanced tab completion (put set wildmenu in your .vimrc).
Note: you can also use :find which will search a set of paths for you, but you need to customize those paths first.
Switching
To switch between all open files, I use
:b myfile
with enhanc...
What is the standard Python docstring format? [closed]
...say where you can change default docstring format in PyCharm (JetBrains): Settings --> Tools --> Python Integrated Tools --> Docstring format. Good luck!
– Jackssn
Mar 30 '17 at 11:08
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How to refresh an IFrame using Javascript?
I have a webpage with an IFrame and a Button, once the button is pressed I need the IFrame to be refreshed. Is this possible, if so how? I searched and could not find any answers.
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Play a Sound with Python [duplicate]
What's the easiest way to play a sound file (.wav) in Python? By easiest I mean both most platform independent and requiring the least dependencies. pygame is certainly an option, but it seems overkill for just sound.
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How to do a PUT request with curl?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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When should I use C++ private inheritance?
Unlike protected inheritance, C++ private inheritance found its way into mainstream C++ development. However, I still haven't found a good use for it.
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What is the most efficient way to concatenate N arrays?
...ddition you can remove duplicate elements by using newArr = Array.from(new Set(newArr));.
– Darius
Apr 29 '18 at 0:53
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How to calculate the sentence similarity using word2vec model of gensim with python
...between vectors:
import numpy as np
from scipy import spatial
index2word_set = set(model.wv.index2word)
def avg_feature_vector(sentence, model, num_features, index2word_set):
words = sentence.split()
feature_vec = np.zeros((num_features, ), dtype='float32')
n_words = 0
for word in...