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How can I determine the type of an HTML element in JavaScript?
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nodeName is the attribute you are looking for. For example:
var elt = document.getElementById('foo');
console.log(elt.nodeName);
Note that nodeName returns the element name capitalized and without the angle brackets, which means that if you want to check if a...
How can I set the aspect ratio in matplotlib?
I'm trying to make a square plot (using imshow), i.e. aspect ratio of 1:1, but I can't. None of these work:
5 Answers
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Parse string to date with moment.js
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David EastDavid East
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Ruby: What is the easiest way to remove the first element from an array?
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SjoerdSjoerd
66.5k1414 gold badges111111 silver badges162162 bronze badges
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How to sort a Ruby Hash by number value?
...m I am running into is that the default Hash.sort function sorts numbers like strings rather than by number size.
4 Answers...
Gradle: Execution failed for task ':processDebugManifest'
...gradle assemble -info gave me the hint that the Manifests have different SDK Versions and cannot be merged.
I needed to edit my Manifests and build.gradle file and everything worked again.
To be clear you need to edit the uses-sdk in the AndroidManifest.xml
<uses-sdk android:minSdkVersion="...
What is the difference between & and && in Java?
...ent? It never will be faster than && and ||. Why do we want to check second condition if we already can have answer? Can you provide and realistic example, please?
– Michu93
Jul 13 '17 at 14:24
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How to create a cron job using Bash automatically without the interactive editor?
...* * * "command to be executed"
- - - - -
| | | | |
| | | | ----- Day of week (0 - 7) (Sunday=0 or 7)
| | | ------- Month (1 - 12)
| | --------- Day of month (1 - 31)
| ----------- Hour (0 - 23)
------------- Minute (0 - 59)
Source nixCraft.
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Regex to validate password strength
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You can do these checks using positive look ahead assertions:
^(?=.*[A-Z].*[A-Z])(?=.*[!@#$&*])(?=.*[0-9].*[0-9])(?=.*[a-z].*[a-z].*[a-z]).{8}$
Rubular link
Explanation:
^ Start anchor
(?=.*[A-Z].*[A-Z]) ...
How do I check in SQLite whether a table exists?
How do I, reliably , check in SQLite, whether a particular user table exists?
22 Answers
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