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How do I check if a given string is a legal/valid file name under Windows?
...ression like [a-zA-Z0-9_]+ but it doesn't include many national-specific characters from various languages (e.g. umlauts and so on). What is the best way to do such a check?
...
How do I remove diacritics (accents) from a string in .NET?
...pping is an interesting job (aka
On the meaning of meaningless, aka All
Mn characters are non-spacing, but
some are more non-spacing than
others)
static string RemoveDiacritics(string text)
{
var normalizedString = text.Normalize(NormalizationForm.FormD);
var stringBuilder = new StringBuil...
Split string on the first white space occurrence
...lit(/\s(?=\S+$)/).reverse().map(reverse)
or maybe
re = /^\S+\s|.*/g;
[].concat.call(re.exec(str), re.exec(str))
2019 update: as of ES2018, lookbehinds are supported:
str = "72 tocirah sneab"
s = str.split(/(?<=^\S+)\s/)
console.log(s)
...
How to escape a pipe char in a code statement in a markdown table?
...taining pieces of code in Markdown. It works fine except when I put a pipe char (i.e. | ) between the backtick (i.e. ` ) chars.
...
Is there a limit to the length of a GET request? [duplicate]
... as there is no specified limit in the RFC. It'd be safe to use up to 2000 characters (IE's limit.) If you are anywhere near this length, you should make sure you really need URIs that long, maybe an alternative design could get around that.
URIs should be readable, even when used to send data.
...
Replacing column values in a pandas DataFrame
...'] could be 'male', 'female' or 'neutral', do something like this:
w = pd.concat([w, pd.get_dummies(w['female'], drop_first = True)], axis = 1])
w.drop('female', axis = 1, inplace = True)
Then you are left with two new columns giving you the dummy coding of 'female' and you got rid of the column ...
How to select rows from a DataFrame based on column values?
..., 3000, 10000, 30000],
dtype=float
)
for j in res.columns:
d = pd.concat([df] * j, ignore_index=True)
for i in res.index:a
stmt = '{}(d)'.format(i)
setp = 'from __main__ import d, {}'.format(i)
res.at[i, j] = timeit(stmt, setp, number=50)
Special Timing
Looki...
Drop all duplicate rows across multiple columns in Python Pandas
... much clearer, therefore:
In [352]:
DG=df.groupby(['A', 'C'])
print pd.concat([DG.get_group(item) for item, value in DG.groups.items() if len(value)==1])
A B C
2 foo 1 B
3 bar 1 A
[2 rows x 3 columns]
shar...
How do you make an array of structs in C?
...
So to put it all together by using malloc():
int main(int argc, char** argv) {
typedef struct{
char* firstName;
char* lastName;
int day;
int month;
int year;
}STUDENT;
int numStudents=3;
int x;
STUDENT* students = malloc(numStu...
How to get a list of user accounts using the command line in MySQL?
...access.
Therefore, this is the query that gives all user accounts
SELECT CONCAT(QUOTE(user),'@',QUOTE(host)) UserAccount FROM mysql.user;
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