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How to stop app that node.js express 'npm start'
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Evan CarrollEvan Carroll
59.3k3737 gold badges193193 silver badges316316 bronze badges
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Checking whether a variable is an integer or not [duplicate]
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1153
If you need to do this, do
isinstance(<var>, int)
unless you are in Python 2.x in which c...
Detect a finger swipe through JavaScript on the iPhone and Android
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363
Simple vanilla JS code sample:
document.addEventListener('touchstart', handleTouchStart, fals...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
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923
Here's how I do it:
private string GetExcelColumnName(int columnNumber)
{
int dividend = co...
Implementing Comments and Likes in database
...ity-specific, your model could look like this:
BTW, there are roughly 3 ways to implement the "ER category":
All types in one table.
All concrete types in separate tables.
All concrete and abstract types in separate tables.
Unless you have very stringent performance requirements, the third ...
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
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Paweł Obrok
20.3k88 gold badges6868 silver badges6767 bronze badges
answered Jan 30 '11 at 12:02
user258367user25836...
How to automatically select all text on focus in WPF TextBox?
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31 Answers
31
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How do you check in python whether a string contains only numbers?
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Use str.isdigit:
>>> "12345".isdigit()
True
>>> "12345a".isdigit()
False
>>>
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recursion versus iteration
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edited Oct 11 '13 at 14:13
answered Mar 28 '13 at 17:15
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