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How to check if function exists in JavaScript?
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If you're using eval to convert a string to function, and you want to check if this eval'd method exists, you'll want to use typeof and your function string inside an eval:
var functionString = "nonexsitantFunction"
eval("typeof " + functionString)...
HttpUtility does not exist in the current context
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i converted project from .net2 to .net4. just changing Target Framework didnt' fix problem. i needed to add the dll, too. that is explained better in at lxk613's answer , and shows what i need to do to fix the problem .
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How do I get the SharedPreferences from a PreferenceActivity in Android?
...nce, here is how you can retrieve the stored values from the preferences:
int storedPreference = preferences.getInt("storedInt", 0);
To store values in the preference file SharedPreference.Editor object has to be used. Editor is a nested interface in the SharedPreference class.
SharedPreferences...
Get String in YYYYMMDD format from JS date object?
...thod will return the string '2015-08-31T23:00:00.000Z' because the date is converted to UTC/0-offset before being stringified.
– Luke Baulch
Sep 13 '15 at 2:44
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Compare equality between two objects in NUnit
...details. You can override the comparer by using one of the equality constraint's Using() methods. Even then, it's not sufficient to implement the non-generic IEqualityComparer because of the adapter NUnit uses.
– Kaleb Pederson
Oct 2 '13 at 19:42
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Common programming mistakes for Clojure developers to avoid [closed]
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Literal Octals
At one point I was reading in a matrix which used leading zeros to maintain proper rows and columns. Mathematically this is correct, since leading zero obviously don't alter the underlying value. Attempts to define a var with this mat...
get UTC time in PHP
...ary 1 1970 00:00:00 GMT)". Note GMT. The fact that by default your system converts this to your timezone for display, is a user convenience. Internally, its always GMT.
– ToolmakerSteve
Apr 17 '19 at 12:09
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Reading JSON from a file?
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In python 3, we can use below method.
Read from file and convert to JSON
import json
from pprint import pprint
# Considering "json_list.json" is a json file
with open('json_list.json') as fd:
json_data = json.load(fd)
pprint(json_data)
with statement automatically cl...
What's up with Java's “%n” in printf?
...mode on a dos/windows system then when you write \n the file handling code converts it to \r\n. So by opening a file in text mode and using \n you get the platform specific line ending.
I can see why the designers of java didn't want to replicate C's hacky ideas regarding "text" and "binary" file ...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
...Probably because you're using unsafe code.
Are you doing something with pointers or unmanaged assemblies somewhere?
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