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How can I escape a double quote inside double quotes?
...\x22\x27\x22\x27\x22"
This is "'"'"text"'"'"
\x22 is the ASCII code (in hex) for double quotes and \x27 for single quotes. Similarly you can echo any character.
I suppose if we try to echo the above string with backslashes, we will need a messy two rows backslashed echo... :)
For variable assig...
How can I find non-ASCII characters in MySQL?
...-ASCII characters using the following query
SELECT * FROM TABLE WHERE NOT HEX(COLUMN) REGEXP '^([0-7][0-9A-F])*$';
This was the most comprehensive query I could come up with.
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]
... quoting when handling filenames that "couldn't ever" contain anything but hex digits. Until one day one did (due to a bug in a program building the files dumping random memory content into the buffer used as a name), and that script (responsible for pruning ancient backups) deleted months of billin...
Working with huge files in VIM
...ed up all my memory and then printed an error message :-(. I could not use hexedit for either, as it cannot insert anything, just overwrite. Here is an alternative approach:
You split the file, edit the parts and then recombine it. You still need twice the disk space though.
Grep for something su...
Add line break to 'git commit -m' from the command line
...ANSI C standard.
This includes support for newlines as shown above, plus hex and Unicode codes and others. Go to the linked section to see a list of the backslash-escaped characters.
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How do I convert a string to a number in PHP?
...1e10'); // 1
echo intval(0x1A); // 26 (hex as starts with 0x)
echo intval(42000000); // 42000000
echo intval(420000000000000000000); // 0
echo intval('420000000000000000000'); // 2147483647
echo intval(42, 8); // 42
echo intval('...
Application Crashes With “Internal Error In The .NET Runtime”
...exe tool microsoft.com/en-au/download/details.aspx?id=985 to work out what hex error codes like 80131506 mean and which header file contains them.
– Jeremy Thompson
Jul 21 '14 at 3:30
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What's the difference between %s and %d in Python string formatting?
...cause int coercion as well as str coercion.
For example, I can convert a hex value to decimal,
>>> '%d' % 0x15
'21'
or truncate a float.
>>> '%d' % 34.5
'34'
But the operation will raise an exception if the argument isn't a number.
>>> '%d' % 'thirteen'
Tracebac...
How do I detect the Python version at runtime? [duplicate]
...
Per sys.hexversion and API and ABI Versioning:
import sys
if sys.hexversion >= 0x3000000:
print('Python 3.x hexversion %s is in use.' % hex(sys.hexversion))
...
我就这么想到了C# - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
我就这么想到了C#今天一位同事问我新建文件夹的时候，能不能包含 字符于是，我就想到了C#。今天一位同事问我新建文件夹的时候，能不能包含“#”字符
于是，我就想到了C#。
C# .net