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C# 'is' operator performance
...he performance difference isn't worth considering the coding overhead.
My base and derived classes
class MyBaseClass
{
public enum ClassTypeEnum { A, B }
public ClassTypeEnum ClassType { get; protected set; }
}
class MyClassA : MyBaseClass
{
public MyClassA()
{
ClassType ...
Javascript parseInt() with leading zeros
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This is because if a number starts with a '0', it's treated as base 8 (octal).
You can force the base by passing the base as the 2nd parameter.
parseInt("09", 10) // 9
According to the docs, the 2nd parameter is optional, but it's not always assumed to be 10, as you can see from your...
Change column type from string to float in Pandas
...g to float values
0 8.0
1 6.0
2 7.5
3 3.0
4 0.9
dtype: float64
As you can see, a new Series is returned. Remember to assign this output to a variable or column name to continue using it:
# convert Series
my_series = pd.to_numeric(my_series)
# convert column "a" of a DataFrame
df["a"...
urllib2.HTTPError: HTTP Error 403: Forbidden
...Y
END_DATE= date(2017, 9, 14) # End date of stock quote data DD-MM-YYYY
BASE_URL = "https://www.nseindia.com/products/dynaContent/common/productsSymbolMapping.jsp?symbol={security}&segmentLink=3&symbolCount=1&series=ALL&dateRange=+&fromDate={start_date}&toDate={end_date}&a...
Frequency table for a single variable
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Remove accents/diacritics in a string in JavaScript
...under the License.
*/
var defaultDiacriticsRemovalMap = [
{'base':'A', 'letters':'\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6...
No ConcurrentList in .Net 4.0?
...f you need something similar to List<T> that uses old-skool, monitor-based synchronisation, there's SynchronizedCollection<T> hidden away in the BCL: msdn.microsoft.com/en-us/library/ms668265.aspx
– LukeH
Jul 6 '11 at 19:43
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What is the equivalent of bigint in C#?
...
That corresponds to the long (or Int64), a 64-bit integer.
Although if the number from the database happens to be small enough, and you accidentally use an Int32, etc., you'll be fine. But the Int64 will definitely hold it.
And the error you get if you use so...
The builds tools for v120 (Platform Toolset = 'v120') cannot be found
...bute and point it to the right path of the MSBuild.exe you wish to invoke, based on Kevin's answer. For instance:
ToolPath="C:\Program Files (x86)\MSBuild\12.0\Bin"
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Try-catch speeding up my code?
...ilt-in support for SEH (Structure Exception Handling) which is stack-frame based.
One behavior of the register allocation algorithm in the jitter can be inferred from playing with this code. It appears to be aware of when the jitter is trying to inline a method. One rule it appears to use that on...