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Remap values in pandas column with a dict
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You can use .replace. For m>ex m>ample:
>>> df = pd.DataFrame({'col2': {0: 'a', 1: 2, 2: np.nan}, 'col1': {0: 'w', 1: 1, 2: 2}})
>>> di = {1: "A", 2: "B"}
>>> df
col1 col2
0 w a
1 1 2
2 2 NaN
>>> df.re...
How do I make an html link look like a button?
... This was dropped from the CSS3 spec. htmlvalidator.com/help.m>php m>?m=1&h=appearance
– user1431356
May 8 '18 at 23:37
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What is the difference between declarative and procedural programming paradigms?
... of instructions. The instructions may change based on some file or memory content, but overall, it doesn't vary widely. the input to the program is typically not from user input in real-time, but rather from a pre-gathered set of data.
Declarative Programming:
In Declarative Event driven programm...
How big can a user agent string get?
...ind the fastest hash algorithm that didn't produce any collisions. For my m>PHP m> environment I found md5 performed quickly at 2.3 seconds with no collisions. Interestingly I tried crc32 and crc32b and they also performed at 2.3 seconds with no collisions. But, because md5 has more combinations than c...
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
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For me the current answers didn't m>ex m>plain the issue fully enough, so I am adding this answer which hopefully might be useful to others.
Greyed/dimmed out tm>ex m>t, can mean either
it's a default rule/property the browser applies, which includes defaulted shor...
How do I enumerate the properties of a JavaScript object? [duplicate]
...r, I don't know why anyone familiar with object-oriented programming would m>ex m>pect anything less! Typically, someone that brings this up has been subjected to Douglas Crockford's warnings about this, which still confuse me a bit. Again, inheritance is a normal part of OO languages and is therefore pa...
Equivalent to 'app.config' for a library (DLL)
...turn string.Empty;
}
And to use it:
Configuration config = null;
string m>ex m>eConfigPath = this.GetType().Assembly.Location;
try
{
config = ConfigurationManager.Openm>Ex m>eConfiguration(m>ex m>eConfigPath);
}
catch (m>Ex m>ception m>ex m>)
{
//handle errror here.. means DLL has no sattelite configuration file....
Get query from java.sql.PreparedStatement [duplicate]
...Statement#toString(). I.e.
System.out.println(preparedStatement);
To my m>ex m>perience, the ones which do so are at least the PostgreSQL 8.x and MySQL 5.x JDBC drivers. For the case your JDBC driver doesn't support it, your best bet is using a statement wrapper which logs all setXxx() methods and fin...
#ifdef replacement in the Swift language
...can define a macro using compiler preprocessors.
Moreover, you can include/m>ex m>clude some parts of code using compiler preprocessors.
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When should I use double or single quotes in JavaScript?
...arn a new language like Java or C, double quotes are always used. In Ruby, m>PHP m> and Perl, single-quoted strings imply no backslash escapes while double quotes support them.
JSON notation is written with double quotes.
Nonetheless, as others have stated, it is most important to remain consistent.
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