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Using Python's os.path, how do I go up one directory?
... Using abspath will just clean it up a bit. If it's not there, the actual string for the path name will be /Users/hobbes3/Sites/mysite/mysite/../templates, which is perfectly fine, but just a little more cluttered. It also ensures that Django's reminder to use absolute paths is obeyed. If you're in...
Java: convert List to a String
...this without any third party library.
If you want to join a Collection of Strings you can use the new String.join() method:
List<String> list = Arrays.asList("foo", "bar", "baz");
String joined = String.join(" and ", list); // "foo and bar and baz"
If you have a Collection with another typ...
Set cursor position on contentEditable
...eateTextNode('\u0002')); is a reasonable replacement we think. for the — char. Thanks for the code
– twobob
Feb 29 '16 at 17:07
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How to execute a MySQL command from a shell script?
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best to avoid -p if the password is null or empty string, perhaps you can update your post? :)
– James Oravec
Jan 6 '15 at 23:44
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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)
...
Is there a way to auto expand objects in Chrome Dev Tools?
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While the solution mentioning JSON.stringify is pretty great for most of the cases, it has a few limitations
It can not handle items with circular references where as console.log can take care of such objects elegantly.
Also, if you have a large tree, then a...
Database: To delete or not to delete records
...e also have the option to display it to select users as well, without much extra work.
If you're not actively seeking to fully restore the data, but you'd still like to keep it around for monitoring (or similar) purposes. I would suggest that you figure out (to the extent possible of course) an agg...
Disable scrolling in webview?
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There's an extra parenthesis at the end of the return line there. Also this breaks HTML5 canvas and JavaScript touch events.
– Rohan Singh
Oct 9 '10 at 21:21
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How to install trusted CA certificate on Android device?
...n the actual java now):
public static void installTrustedRootCert( final String certAddress ){
WebView certWebView = new WebView( instance_ );
certWebView.loadUrl( certAddress );
}
Note that instance_ is a reference to the Activity. This works perfectly if you know the url to the cer...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...
EDIT
These strings are commonly referred to as an "unparseable cruft" and they are used to patch an information leakage vulnerability that affects the JSON specification. This attack is real world and a vulnerability in gmail was disco...