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Python executable not finding libpython shared library
...ce configure directives to handle alternate library paths (not everyone is root you know...) In the simplest case all you need is the following:
./configure --enable-shared \
--prefix=/usr/local \
LDFLAGS="-Wl,--rpath=/usr/local/lib"
Or if you prefer the non-linux version...
R - Concatenate two dataframes?
...
If you're getting the union of more than 2 data frames, you can use Reduce(rbind, list_of_data_frames) to mash them all together!
– Yourpalal
Aug 13 '15 at 21:12
...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
...email, user_id) is enough, you don't need a separate index on email only - MySQL can use leftmost parts of a composite index. There may be some border cases where the size of an index can slow down your queries, but you should not worry about them until you actually run into them.
As for testing in...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
...
I enhanced this solution using bOk = System.IO.Path.IsPathRooted(fileName); instead of bOk = true;
– jing
Sep 24 '13 at 7:12
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Why doesn't Dictionary have AddRange?
...ddRange" by using IEnumerable extension methods:
var combined =
dict1.Union(dict2)
.GroupBy(kvp => kvp.Key)
.Select(grp => grp.First())
.ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
The main trick when combining dictionaries is dealing with the duplicate...
Check if full path given
...
Try using System.IO.Path.IsPathRooted? It also returns true for absolute paths.
System.IO.Path.IsPathRooted(@"c:\foo"); // true
System.IO.Path.IsPathRooted(@"\foo"); // true
System.IO.Path.IsPathRooted("foo"); // false
System.IO.Path.IsPathRooted(@"c:1\f...
Update all values of a column to lowercase
...
See http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_lower
UPDATE table_name SET tag = LOWER(tag)
share
|
improve t...
How do I create my own URL protocol? (e.g. so://…) [closed]
...RI Schemes
You can register your own through the registry.
HKEY_CLASSES_ROOT/
your-protocol-name/
(Default) "URL:your-protocol-name Protocol"
URL Protocol ""
shell/
open/
command/
(Default) PathToExecutable
Sources: https://www.iana.org/assignments/uri-s...
How do you remove the root CA certificate that fiddler installs
Fiddler helpfully offers to add a unique root CA certificate to intercept HTTPS traffic.
4 Answers
...
Grep and Sed Equivalent for XML Command Line Processing
...ll has built-in functionality for reading and writing XML.
test.xml:
<root>
<one>I like applesauce</one>
<two>You sure bet I do!</two>
</root>
Powershell script:
# load XML file into local variable and cast as XML type.
$doc = [xml](Get-Content ./test.xml...