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Is it worth using Python's re.compile?
...al dict type).
From module re.py (comments are mine):
def match(pattern, string, flags=0):
return _compile(pattern, flags).match(string)
def _compile(*key):
# Does cache check at top of function
cachekey = (type(key[0]),) + key
p = _cache.get(cachekey)
if p is not None: retur...
push_back vs emplace_back
...::map<int, Complicated> m;
int anInt = 4;
double aDouble = 5.0;
std::string aString = "C++";
// cross your finger so that the optimizer is really good
m.insert(std::make_pair(4, Complicated(anInt, aDouble, aString)));
// should be easier for the optimizer
m.emplace(4, anInt, aDouble, aStrin...
Difference between open and codecs.open in Python
...
In Python 2 there are unicode strings and bytestrings. If you just use bytestrings, you can read/write to a file opened with open() just fine. After all, the strings are just bytes.
The problem comes when, say, you have a unicode string and you do the f...
How to handle click event in Button Column in Datagridview?
... {
//TODO - Button Clicked - Execute Code Here
string x=myDataGridView.Rows[e.RowIndex].Cells[3].Value.ToString();
Form1 myform = new Form1();
myform.rowid= (int)x;
myform.Show();
}
}
...
How to access session variables from any class in ASP.NET?
...}
// **** add your session properties here, e.g like this:
public string Property1 { get; set; }
public DateTime MyDate { get; set; }
public int LoginId { get; set; }
}
This class stores one instance of itself in the ASP.NET session and allows you to access your session properties...
Adding HTML entities using CSS content
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The leading zeroes are superfluous, see CSS 2.1: 4.3.7 Strings. '>\a0' suffices.
– PointedEars
Dec 21 '11 at 19:35
20
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Copy a table from one database to another in Postgres
...
Extract the table and pipe it directly to the target database:
pg_dump -t table_to_copy source_db | psql target_db
Note: If the other database already has the table set up, you should use the -a flag to import data only, else you may see weird e...
Image inside div has extra space below the image
...>
Explanation: why is there a gap under the image?
The gap or extra space under the image isn't a bug or issue, it is the default behaviour. The root cause is that images are replaced elements (see MDN replaced elements). This allows them to "act like image" and have their own intrinsic...
Remove the last character from a string [duplicate]
What is fastest way to remove the last character from a string?
4 Answers
4
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Read Excel File in Python
....
You mentioned in the question that you also want the values output to a string. I dynamically build a format string for the output from the FORMAT column list. Rows are appended to the values string separated by a new line char.
The output column order is determined by the order of the column na...