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Split (explode) pandas dataframe string entry to separate rows
...1 var2 var3
0 [a, b, c] 1 XX
1 [d, e, f, x, y] 2 ZZ
Now we can do this:
In [181]: pd.DataFrame({
...: col:np.repeat(x[col].values, x[lst_col].str.len())
...: for col in x.columns.difference([lst_col])
...: }).assign(**{lst_col:np.concatenate(x[lst_col]....
error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m
...y.
Code which is converted to dll is using function from 1 lib called ClassificationFramework. I provided this lib as headers and cpp so basically source code. In Exe solution I linked my generated library + some other libs to run it + ClassificationFramework.dll. Everything works fine when I use Re...
Nested defaultdict of defaultdict
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One note. If you are trying to use this code while pickling lambda won't work.
– Viacheslav Kondratiuk
Apr 3 '17 at 11:52
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C# Sanitize File Name
... was about paths, not filenames, and the invalid characters for these are different.
– Dour High Arch
Jun 2 '09 at 21:04
15
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What text editor is available in Heroku bash shell? [closed]
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Perfect. Now I can edit configs as needed
– Felipe
Jan 20 '18 at 4:56
4
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...ult = mysql_query("SELECT * FROM Users WHERE UserName LIKE '$username'");
if($result === FALSE) {
die(mysql_error()); // TODO: better error handling
}
while($row = mysql_fetch_array($result))
{
echo $row['FirstName'];
}
mysqli extension
procedural style:
$username = mysqli_real_escape_...
How to convert a number to string and vice versa in C++
... edited Feb 17 '15 at 17:34
KnowItAllWannabe
11k66 gold badges3838 silver badges8484 bronze badges
answered Jun 18 '12 at 19:36
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Can a C# class inherit attributes from its interface?
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very nice, I personally use a shorter version of this, now: private static IEnumerable<T> GetCustomAttributesIncludingBaseInterfaces<T>(this Type type) { var attributeType = typeof(T); return type.GetCustomAttributes(attributeType, true).Union(type.Ge...
Trying to login to RDP using AS3
... of 16 bit (short). This means, you have to write data in little endian as if it'll be interpreted as big endian. In order to convert the data from big endian to little endian, you can use a temporary ByteArray that has its endian set to big, write data in it, then call writeBytes() on your main buf...
Why does this Java code compile?
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int x = x + 1;
first we need to compute x+1 but the value of x is not known so you get an error (the compiler knows that the value of x is not known)
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