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Import CSV file into SQL Server
...le Source. Then use the Browse button to select the CSV file. Spend some time configuring how you want the data to be imported before clicking on the Next > button.
• For the Destination, select the correct database provider (e.g. for SQL Server 2012, you can use SQL Server Native Client 11....
Are strongly-typed functions as parameters possible in TypeScript?
...f taste, as these are equivalent forms in a language that doesn't have run-time types. Nowadays you can also use type aliases instead of interfaces.
– Drew Noakes
May 16 '17 at 11:18
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How to find the nearest parent of a Git branch?
...owing commit DAG. As such, the relationship between branches can vary over time, but the relationship between commits does not.
---o---1 foo
\
2---3---o bar
\
4
\
5---6 ba...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
... method to be more readable.
Using the sample data provided:
>>> %timeit df3.reset_index().drop_duplicates(subset='index', keep='first').set_index('index')
1000 loops, best of 3: 1.54 ms per loop
>>> %timeit df3.groupby(df3.index).first()
1000 loops, best of 3: 580 µs per loop
&...
How to bind 'touchstart' and 'click' events but not respond to both?
...ind('touchstart click', function(){
if (!flag) {
flag = true;
setTimeout(function(){ flag = false; }, 100);
// do something
}
return false
});
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Access nested dictionary items via a list of keys?
.... Use functools.reduce() if you really need it; however, 99 percent of the time an explicit for loop is more readable.
Next, the accepted solution doesn't set non-existing nested keys (it returns a KeyError) - see @eafit's answer for a solution
So why not use the suggested method from kolergy's q...
Java Constructor Inheritance
...ritance. NullPointerExceptions are completely normal if you botch (and sometimes even if you don't).
– The incredible Jan
Aug 23 '17 at 6:30
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A Regex that will never be matched by anything
... ~480ms to scan a ~275k line file. The converse "a^" takes about the same time, even if it might seem more efficient. On the other hand, a negative lookahead need not scan anything: "(?!x)x" (anything not followed by an x also followed by an x, i.e. nothing) takes about 30ms, or less than 7% of th...
A weighted version of random.choice
...than numpy.random.choice . Picking from a list of 8 weighted items 10,000 times, numpy.random.choice took 0.3286 sec where as random.choices took 0.0416 sec, about 8x faster.
– Anton Codes
Jun 18 '19 at 13:34
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Why use apparently meaningless do-while and if-else statements in macros?
...f the semi-colon is absent.
But the real real good reason is that at some time, the macro's author will perhaps need to replace the macro with a genuine function (perhaps inlined). So the macro should really behave like one.
So we should have a macro needing semi-colon.
Produce a valid code
As s...