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Is it possible to use “/” in a filename?
...hould ever be done, but is there a way to use the slash character that normally separates directories within a filename in Linux?
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How to set commands output as a variable in a batch file
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Only drawback to bottom approach (which is preferable in all other ways) is that it doesn't work with multi-line output.
– dgo
Nov 29 '16 at 15:46
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How can I check if a file exists in Perl?
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Test whether something exists at given path using the -e file-test operator.
print "$base_path exists!\n" if -e $base_path;
However, this test is probably broader than you intend. The code above will generate output if a plain file exists at that path, but it will also fire for ...
Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
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The regular expression for this is really simple. Just use a character class. The hyphen is a special character in character classes, so it needs to be first:
/[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/
You also need to escape the other regular expressio...
How do I get a string format of the current date time, in python?
For example, on July 5, 2010, I would like to calculate the string
4 Answers
4
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Python list of dictionaries search
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Is worth noting that this answer returns a list with all matches for 'Pam' in people, alternatively we could get a list of all the people that are not 'Pam' by changing the comparison operator to !=. +1
– Onema
Nov 12 '15 at 22:25
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything.
NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...
Filtering collections in C#
... ints that are > than 7, Where returns an
// IEnumerable<T> so a call to ToList is required to convert back to a List<T>.
List<int> filteredList = myList.Where( x => x > 7).ToList();
If you can't find the .Where, that means you need to import using System.Linq; at the to...
Where are shared preferences stored?
Where in an Eclipse project might one encounter a shared preferences file?
7 Answers
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Escape angle brackets in a Windows command prompt
... containing angle brackets (< and >) to a file on a Windows machine. Basically what I want to do is the following:
echo some string &lt; with angle &gt; brackets &gt;&gt;myfile.txt
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