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Filter dict to contain only certain keys?
...ent (e.g. in a lambda) this is key observation.
– gae123
Jan 27 '16 at 1:11
add a comment
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How to mark-up phone numbers?
...e Skype Echo / Sound Test Service, the link would be <a href="skype:echo123?call">Call the Skype Echo / Sound Test Service</a> from msdn.microsoft.com/en-us/library/office/…
– OzBob
Apr 2 '15 at 4:11
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regex to match a single character that is anything but a space
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123
\s matches any white-space character
\S matches any non-white-space character
You can match a...
stop all instances of node.js server
... /f (force) parameter to the command.
Linux machine:
The process is almost identical. You could either kill all Node processes running on the machine (use -$SIGNAL if SIGKILL is insufficient):
killall node
Or also using netstat, you can find the PID of a process listening on a port:
$ netsta...
What's the difference between isset() and array_key_exists()? [duplicate]
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123
Between array_key_exists and isset, though both are very fast [O(1)], isset is significantly f...
How to convert an int to string in C?
...o a string.
Here is an example:
int num = 321;
char snum[5];
// convert 123 to string [buf]
itoa(num, snum, 10);
// print our string
printf("%s\n", snum);
If you want to output your structure into a file there is no need to convert any value beforehand. You can just use the printf format spe...
Using CSS :before and :after pseudo-elements with inline CSS?
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123
You can't specify inline styles for pseudo-elements.
This is because pseudo-elements, like ps...
No module named pkg_resources
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July 2018 Update
Most people should now use pip install setuptools (possibly with sudo).
Some may need to (re)install the python-setuptools package via their package manager (apt-get install, yum install, etc.).
This issue can be highly depe...
string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
...String = "";
string whitespaceString = " ";
string nonEmptyString = "abc123";
bool result;
result = String.IsNullOrEmpty(nullString); // true
result = String.IsNullOrEmpty(emptyString); // true
result = String.IsNullOrEmpty(whitespaceString); // false
result = String.I...
How to recursively find the latest modified file in a directory?
...ntf is probably GNU-only, ajreals usage of stat -c is too. Although it is possible to do the same on BSD, the options for formatting is different (-f "%m %N" it would seem)
And I missed the part of plural; if you want more then the latest file, just bump up the tail argument.
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