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Count occurrences of a char in plain text file
...ts the number of lines
Example:
$ cat file
abcdefgabcdefgababababbbba
1234gabca
$ tr -d '\n' < file | sed 's/a/a\n/g' | wc -l
9
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How to clear gradle cache?
...adle version in use, like "4.4", and "XXXX" are just random numbers, like "1234".
The total size can grow to several hundred MB in just a few months. There is no way to disable the logging, and the files are not automatically deleted and they do not really need to be retained.
But you can create a...
What is JSON and why would I use it?
... "postalCode": 10021
},
"phoneNumbers": [
"212 555-1234",
"646 555-4567"
]
}
JSON in JavaScript
JSON (in Javascript) is a string!
People often assume all Javascript objects are JSON and that JSON is a Javascript object. This is incorrect.
In Javascript v...
Checking if a string can be converted to float in Python
... ------------
print(isfloat("")) False
print(isfloat("1234567")) True
print(isfloat("NaN")) True nan is also float
print(isfloat("NaNananana BATMAN")) False
print(isfloat("123.456")) True
print(isfloat("123.E4")) ...
RESTful URL design for search
...iver's door XML document. But /car/doors[id='driver' and lock/combination='1234'] is not so friendly.
There is a difference between filtering a resource based on one of its attributes and specifying a resource.
For example, since
/cars/colors returns a list of all colors for all cars (the resour...
Building a minimal plugin architecture in Python
...ugin(name)
plugin.plugin_main(*args, **kwargs)
call_plugin("example", 1234)
It's certainly "minimal", it has absolutely no error checking, probably countless security problems, it's not very flexible - but it should show you how simple a plugin system in Python can be..
You probably want to ...
Ensuring json keys are lowercase in .NET
...ndented, settings);
Wil result in:
{"username":"Mark","apitoken":"xyzABC1234"}
If you always want to serialize using the LowercaseContractResolver, consider wrapping it in a class to avoid repeating yourself:
public class LowercaseJsonSerializer
{
private static readonly JsonSerializerSe...
How to prune local tracking branches that do not exist on remote anymore
...ys "gone" for local branches that the remote has been pruned.
mybranch abc1234 [origin/mybranch: gone] commit comments
-d will check if it has been merged (-D will delete it regardless)
error: The branch 'mybranch' is not fully merged.
...
How should I escape commas and speech marks in CSV files so they work in Excel?
...ith spaces','spaces and "quoted text" and more spaces','nospaces','NOSPACES1234'
Excel will put that in 5 columns (if you choose the single quote as "Text qualifier" in the "Text to columns" wizard)
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Python Requests and persistent sessions
...orm
formdata = { "username" : username, "password": password, "form-id" : "1234" }
data_encoded = urllib.urlencode(formdata)
response = opener.open("https://page.com/login.php", data_encoded)
content = response.read()
EDIT:
I see I've gotten a few downvotes for my answer, but no explaining commen...