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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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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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What is the difference between bottom-up and top-down?
...ack size limit in languages which allow it, or 2) eat a constant factor of extra work to virtualize your stack (ick), or 3) program in continuation-passing style, which in effect also virtualizes your stack (not sure the complexity of this, but basically you will effectively take the deferred call c...
Regex match one of two words
...
This will do:
/^(apple|banana)$/
to exclude from captured strings (e.g. $1,$2):
(?:apple|banana)
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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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Execute AsyncTask several times
...ute("your parameter");
static class FirmwareDownload extends AsyncTask<String, String, String> {
}
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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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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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UITextField text change event
...tField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
– iWheelBuy
Sep 27 '13 at 5:21
5
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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...