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How to automatically convert strongly typed enum into int?
...s trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast.
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How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
4...
Convert int to ASCII and back in Python
...t applicable. I had arrived on this question based on the title, literally converting an integer to ascii text as if the integer has ascii encoded data embedded in its bytes. I posted this answer in the event others arrived here with the same desired outcome.
– Matthew Davis
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shared_ptr to an array : should it be used?
...e expression delete[] p is well-formed and either T is U[N] and Y(*)[N] is convertible to T*, or T is
U[] and Y(*)[] is convertible to T*. ...
To support this, the member type element_type is now defined as
using element_type = remove_extent_t<T>;
Array elements can be access using oper...
Convert special characters to HTML in Javascript
Does any one know how to convert special characters to HTML in Javascript ?
26 Answers
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How to cat a file containing code?
...-v---v------
cat <<'EOF' >> brightup.sh
#!/bin/bash
curr=`cat /sys/class/backlight/intel_backlight/actual_brightness`
if [ $curr -lt 4477 ]; then
curr=$((curr+406));
echo $curr > /sys/class/backlight/intel_backlight/brightness;
fi
EOF
IHTH
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In-place type conversion of a NumPy array
Given a NumPy array of int32 , how do I convert it to float32 in place ? So basically, I would like to do
6 Answers
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“A lambda expression with a statement body cannot be converted to an expression tree”
...rk , I get the error " A lambda expression with a statement body cannot be converted to an expression tree " when trying to compile the following code:
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How to condense if/else into one line in Python? [duplicate]
... do that, but no one answer contains this information: $ python -c "import sys; var=1; [ sys.stdout.write('POS\n') if var>0 else sys.stdout.write('NEG\n')]"
– Alexander Samoylov
Oct 8 '18 at 10:38
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linux内存cached释放 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...放之后你可以再改回0值）：
To free pagecache: echo 1 > /proc/sys/vm/drop_caches
To free dentries and inodes: echo 2 > /proc/sys/vm/drop_caches
To free pagecache, dentries and inodes: echo 3 > /proc/sys/vm/drop_caches
经常使用rsync传输大量数据的朋友可能遇到过类...