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Regex match one of two words
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This will do:
/^(apple|banana)$/
to exclude from captured strings (e.g. $1,$2):
(?:apple|banana)
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Symfony 2: How do I check if a user is not logged in inside a template?
...ble can be a UserInterface object, any other object which implements a __toString() method or even a regular string.. I don't remember where I read that app.user returns "anon." string unfortunately and under what circumstances.
– pzaj
Apr 19 '17 at 14:37
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Vim: What's the difference between let and set?
...ption} Toggle option: set, switch it on. Number option: show value. String option: show value. This doesn't agree with what you have here, when you say 'will set the default value for option wrap'. ??
– Elliptical view
Jul 13 at 22:24
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
...'_' '-' conversion being really confusing... especially if someone does a string search looking for a given data attribute. Is there another way?
– RayLoveless
Oct 8 '14 at 17:50
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check if variable is dataframe
...ype() and isinstance()?). For example, it will tell you if a variable is a string (either str or unicode), because they derive from basestring)
if isinstance(obj, basestring):
i_am_string(obj)
Specifically for pandas DataFrame objects:
import pandas as pd
isinstance(var, pd.DataFrame)
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Execute AsyncTask several times
...ute("your parameter");
static class FirmwareDownload extends AsyncTask<String, String, String> {
}
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What is the best way to do a substring in a batch file?
... search, then this modifier expands to the
empty string
The modifiers can be combined to get
compound results:
%~dpI - expands %I to a drive letter and path only
%~nxI - expands %I to a file name and extension only
%~fsI - expands %I to a full pat...
VB.NET equivalent of C# property shorthand?
...beyond, you can use the following shorthand:
public property FirstName as String
This will be handled as your short version in C# is - I think they call it "Auto Property"
See also: Auto-Implemented Properties (Visual Basic)
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UITextField text change event
...tField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
– iWheelBuy
Sep 27 '13 at 5:21
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Relative URL to a different port number in a hyperlink?
...ce, but it's good for simple cases where you're not worried about the port-string being in the URL.)
– zekel
Sep 26 '12 at 14:35
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