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Multiple aggregations of the same column using pandas GroupBy.agg()
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@sparc_spread Passing multiple functions as a list is well described in the pandas documentation. Renaming and passing multiple functions as a dictionary will be deprecated in a future version of pandas. Details are in the 0.20 cha...
How to write a test which expects an Error to be thrown in Jasmine?
...eption) {
result = (expected === jasmine.undefined || this.env.equals_(exception.message || exception, expected.message || expected) || this.env.equals_(exception.name, expected));
}
var not = this.isNot ? "not " : "";
this.message = function() {
if (exception && (expected ...
Return XML from a controller's action in as an ActionResult?
...aled class XmlActionResult : ActionResult
{
private readonly XDocument _document;
public Formatting Formatting { get; set; }
public string MimeType { get; set; }
public XmlActionResult(XDocument document)
{
if (document == null)
throw new ArgumentNullExcepti...
How does inheritance work for Attributes?
...AttributeUsage (Inherited = True)]
MyUberAttribute : Attribute
{
string _SpecialName;
public string SpecialName
{
get { return _SpecialName; }
set { _SpecialName = value; }
}
}
Then use the Attribute by decorating a super-class...
[MyUberAttribute(SpecialName = "Bob")]
clas...
Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
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Several ill-conceived ideas found their way into the standard: auto_ptr, vector<bool>, valarray and export, just to name a few. So I wouldn't take the presence of IOStreams necessarily as a sign of quality design.
IOStreams have a checkered history. They are actually a reworking of an...
Executing elements inserted with .innerHTML
...t doesn't work in IE 7. With help from SO, here's a script that does:
exec_body_scripts: function(body_el) {
// Finds and executes scripts in a newly added element's body.
// Needed since innerHTML does not run scripts.
//
// Argument body_el is an element in the dom.
function nodeName(e...
Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
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Is it better to avoid the app_compat?
– Neolardo Va Dinci
Feb 22 '15 at 2:26
2
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How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
... each signal is generated. Looking at the FreeBSD kernel source code (kern_sig.c) I see that the two signals are handled in the same way, they terminate the process and are delivered to any thread.
SA_KILL|SA_PROC, /* SIGINT */
SA_KILL|SA_PROC, /* SIGTERM */
...
How does the keyword “use” work in PHP and can I import classes with it?
...ou want to access those class objects then you can do the following:
$smtp_mailer = new SMTPMailer;
$mailgun_mailer = new MailgunMailer;
It will reference the original class.
Some may get confused that then of there are not Similar class names then there is no use of use keyword. Well, you can u...
Escape a string for a sed replace pattern
...es, forward slash for end of statement and & for replace all):
ESCAPED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need to escape the KEYWORD string, the fol...