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Checking if an object is null in C#
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64
C# 6 has monadic null checking :)
before:
if (points != null) {
var next = points.FirstOr...
Is there a limit to the length of HTML attributes?
... TAGLEN 65536
GRPGTCNT 150
GRPCNT 64
The value in question here is "ATTSPLEN" which would be the limit on an element's attribute specification list (which should be the total size of all attributes for that element). The note above mentions that fixed limi...
Detect Safari browser
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jcubic
48.7k3939 gold badges164164 silver badges293293 bronze badges
answered Oct 30 '11 at 10:48
daviddavid
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Import a module from a relative path
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Running Win 7 Pro 64x and Python 2.7 I get a few errors. 1) I had to add inspect to the import list. 2) The 1st value, [0], in the tuple is an empty string. The 2nd, [1], shows the file name. I am guessing that the first should be the path...
Python mysqldb: Library not loaded: libmysqlclient.18.dylib
...a slightly different spot: sudo ln -s /usr/local/mysql-5.5.29-osx10.6-x86_64/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
– Matt
Apr 2 '14 at 16:35
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How to group dataframe rows into list in pandas groupby?
... return df2
Tests:
In [301]: %timeit f(df)
1000 loops, best of 3: 1.64 ms per loop
In [302]: %timeit df.groupby('a')['b'].apply(list)
100 loops, best of 3: 5.26 ms per loop
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Create an empty list in python with certain size
...n range(9)]
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>>> print display()
[0, 1, 4, 9, 16, 25, 36, 49, 64]
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Compare two MySQL databases [closed]
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64
I got all excited about this tool until I realized that it runs in windows, not linux. Back to searching...
– jdias
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Insert into … values ( SELECT … FROM … )
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1648
Try:
INSERT INTO table1 ( column1 )
SELECT col1
FROM table2
This is standard ANSI SQL...
How do I run Visual Studio as an administrator by default?
...tructions for each file in the bullited list. The paths are for a standard 64-bit install so you may have to adjust them for your system.
C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\VSLauncher.exe
C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe
C:\Program F...