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How to efficiently count the number of keys/properties of an object in JavaScript?
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To do this in any ES5-compatible environment, such as Node, Chrome, IE 9+, Firefox 4+, or Safari 5+:
Object.keys(obj).length
Browser compatibility
Object.keys documentation (includes a method you can add to non-ES5 browsers)
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Formatting code in Notepad++
...t TextFX can't find libTidy.dll. To fix that you can do this stackoverflow.com/questions/6985637/… After all of that you should be able to TextFX -> HTML Tidy -> Tidy: Reindent XML as @gablin described.
– darren
Feb 1 '12 at 10:15
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Check if an array contains any element of another array in JavaScript
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Add icon to submit button in twitter bootstrap 2
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This works, however please see w3schools.com/tags/tag_button.asp for more information on what the button tag is meant for and its cross browser effect. Use this with caution, especially with forms.
– Matenia Rossides
Mar 3 '12 ...
How do I get the height and width of the Android Navigation Bar programmatically?
..., it will return 0 for devices that have physical navigation stackoverflow.com/a/29938139/1683141
– Mdlc
May 1 '15 at 18:13
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Clear the entire history stack and start a new activity on Android
...ndeed pure hackery. You should not do that. :)
Edit:
As per @Ben Pearson's comment, for API <=10 now one can use IntentCompat class for the same. One can use IntentCompat.FLAG_ACTIVITY_CLEAR_TASK flag to clear task. So you can support pre API level 11 as well.
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String formatting: % vs. .format vs. string literal
... not use it?
not knowing about it (me before reading this)
having to be compatible with Python 2.5
To answer your second question, string formatting happens at the same time as any other operation - when the string formatting expression is evaluated. And Python, not being a lazy language, eva...
How to check if there exists a process with a given pid in Python?
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To be complete, you should also check for the error number to make sure it is 3 (catch the exception and check for first arg). This is important if the target process exists but you don't have permission to send signal (for whateve...
How do I do word Stemming or Lemmatization?
...erStemmer and Snowball but both don't work on all words, missing some very common ones.
21 Answers
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How big can a user agent string get?
... you were going to store a user agent in a database, how large would you accomdate for?
11 Answers
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