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Pandas - How to flatten a hierarchical index in columns
... this, rather than 0.
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If you want to combine/join your MultiIndex into one Index (assuming you have just string entries in your columns) you could:
df.columns = [' '.join(col).strip() for col in df.columns.values]
Note: we must strip the whitespace for when there is no second index.
In [11]:...
Open another application from your own (intent)
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Firstly, the concept of "application" in Android is slightly an extended one.
An application - technically a process - can have multiple activities, services, content providers and/or broadcast listeners. If at least one of them is running, the application is up and running (the process).
So, wh...
javascript regex - look behind alternative?
...em: matching a string that doesn't contain the target word anywhere. This one is much simpler: matching a string that doesn't start with the target word.
– Alan Moore
Sep 11 '11 at 5:50
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How do you make an array of structs in C?
...pe and then actually making an instance of it - I have a different struct, one that I defined the contents of below where I first make an instance of it (just one this time, not an array), so why didn't this make the massive series of errors? It worked just fine, which led me to think that my attem...
continue processing php after sending http response
...ease note that if a content-encoding header is set to anything else than 'none' it could render this example useless as it would still let the user wait the full execution time (until timeout?). So to be absolutely sure it will work local ánd in the production environment, set the 'content-encoding...
Best way to get InnerXml of an XElement?
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StringBuilder version can be written on one line: var result = parent.Elements().Aggregate(new StringBuilder(), (sb, xelem) => sb.AppendLine(xelem.ToString()), sb => sb.ToString())
– Softlion
Sep 23 '11 at 14:27
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Checkstyle vs. PMD
...ver, I strongly disagree with your opinion on Checkstyle unless you are a lone-wolf developer with your own idiosyncratic style. For teams, agreeing upon a common reasonable subset of rules and then using an automated tool like Checkstyle to automatically enforce them results in code that is readab...
Converting any string into camel case
... .. since the non-alpha shouldn't affect the case, I'm not sure it can be done better than return this.replace(/[^a-z ]/ig, '').replace(/(?:^\w|[A-Z]|\b\w|\s+)/g,...
– Orwellophile
May 19 '15 at 7:28
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What does %s mean in a python format string?
...bol. Notice also that I am using a tuple here as well (when you only have one string using a tuple is optional) to illustrate that multiple strings can be inserted and formatted in one statement.
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How to get the first item from an associative PHP array?
...w3schools.com/php/func_array_reset.asp
– Paul Chris Jones
Dec 17 '19 at 12:38
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