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Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
...nificant disk space, you might also want to run git reflog expire --expire=now --all and git gc --prune=now to expire your reflogs and delete the now-unused objects. (Warning: completely, totally irreversible. Be very sure before you do it.)
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MySQL query String contains
...ve been trying to figure out how I can make a query with MySQL that checks if the value (string $haystack ) in a certain column contains certain data (string $needle ), like this:
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How to implement a rule engine?
... ExpressionType tBinary;
// is the operator a known .NET operator?
if (ExpressionType.TryParse(r.Operator, out tBinary)) {
var right = Expression.Constant(Convert.ChangeType(r.TargetValue, tProp));
// use a binary operation, e.g. 'Equal' -> 'u.Age == 21'
return Exp...
How to prevent IFRAME from redirecting top-level window
Some websites have code to "break out" of IFRAME enclosures, meaning that if a page A is loaded as an IFRAME inside an parent page P some Javascript in A redirects the outer window to A .
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Rename a dictionary key
...t;>> oldkey, newkey = '2', 'potato'
>>> OrderedDict((newkey if k == oldkey else k, v) for k, v in _.viewitems())
OrderedDict([('1', 'a'), ('potato', 'b'), ('3', 'c')])
Modifying the key itself, as this question seems to be asking, is impractical because dict keys are usually immutab...
How to convert a java.util.List to a Scala list
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@mauhiz If a Scala Buffer is a Java List, then nothing is fine! The OP wanted a conversion from Java List to an immutable Scala List. Expressions that expect a Scala List won't typecheck with a Buffer.
– Andres ...
Permission denied on accessing host directory in Docker
... is empty and the container is created with the named volume.
MacOS users now have OSXFS which handles uid/gid's automatically between the Mac host and containers. One place it doesn't help with are files from inside the embedded VM that get mounted into the container, like /var/lib/docker.sock.
F...
“#include” a text file in a C program as a char[]
...rk if you specify your own custom delimiter:
R"=====(Line 1
Line 2
Line 3
Now you can use "( and )" in the text file, too.
Line 5
Line 6)====="
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Get value from SimpleXMLElement Object
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Just noticed if you json_encode the xml object and then json_decode it you get a nested stdObject to deal with, quite handy for when you're being lazy & working with simple structures :D
– Louis
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Python json.loads shows ValueError: Extra data
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ValueError: Extra data: line 1 column 3 - line 1 column 5 (char 2 - 4)
If you want to dump multiple dictionaries, wrap them in a list, dump the list (instead of dumping dictionaries multiple times)
>>> dict1 = {}
>>> dict2 = {}
>>> json.dumps([dict1, dict2])
'[{}, {}]...