大约有 1,824 项符合查询结果（耗时：0.0160秒） [XML]
How to update the value stored in Dictionary in C#?
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dont call a dictionary list, call it dogs or cats or dict
– user3800527
Mar 17 '16 at 9:35
1
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GitHub: Permission denied (publickey). fatal: The remote end hung up unexpectedly
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cat ~/.ssh/id_rsa.pub might be an option? :p
– torr
Dec 27 '13 at 18:43
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Searching subversion history (full text)
.../bash
for REV in `svn log $1 | grep ^r[0-9] | awk '{print $1}'`; do
svn cat $1 -r $REV | grep -q $2
if [ $? -eq 0 ]; then
echo "$REV"
fi
done
If you really want to search everything, use the svnadmin dump command and grep through that.
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How can I add numbers in a Bash script?
...um=$((num1 + 2 + 3)) # ...
num=$[num1+num2] # Old, deprecated arithmetic expression syntax
Using the external expr utility. Note that this is only needed for really old systems.
num=`expr $num1 + $num2` # Whitespace for expr is important
For floating point:
Bash doesn'...
Getting a list of associative array keys
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You can use: Object.keys(obj)
Example:
var dictionary = {
"cats": [1, 2, 37, 38, 40, 32, 33, 35, 39, 36],
"dogs": [4, 5, 6, 3, 2]
};
// Get the keys
var keys = Object.keys(dictionary);
console.log(keys);
See reference below for browser support. It is supported in Firefox 4....
(Deep) copying an array using jQuery [duplicate]
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similar: var a = [1,2,3]; var b = ([]).concat(a); b is a copy
– Yauhen Yakimovich
May 7 '12 at 15:38
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How can I exclude one word with grep?
...ed to escape the !):
grep -P '(?!.*unwanted_word)keyword' file
Demo:
$ cat file
foo1
foo2
foo3
foo4
bar
baz
Let us now list all foo except foo3
$ grep -P '(?!.*foo3)foo' file
foo1
foo2
foo4
$
share
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sudo echo “something” >> /etc/privilegedFile doesn't work
...ious, that you can also quote a heredoc (for large blocks):
sudo bash -c "cat <<EOIPFW >> /etc/ipfw.conf
<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<plist version=\"1.0\">
<dict>
<key>Label</key>
<string>com.company.ipfw</string>
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Remove last character from C++ string
... though (pop_back did not exist in C++03) and it is also an in-place modification (and the OP never clarified whether he wanted in-place or not)... as such, he has a correct answer, but not the only possible one.
– Matthieu M.
May 21 '13 at 6:24
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How do I purge a linux mail box with huge number of emails? [closed]
... It is not a good praxis data manipulation from outside an application. If there is an option or command that can do the job, it is better to use it. As @timaschew answered, you can use the ‘d’ command inside the mail tool.
– pocjoc
Sep 3 '15 at ...