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Unique Constraint in Entity Framework Code First
... of version 4.3 you can use the new migrations mechanism to achieve it:
http://msdn.microsoft.com/en-us/library/hh770484(v=vs.103).aspx
http://blogs.msdn.com/b/adonet/archive/2012/02/09/ef-4-3-code-based-migrations-walkthrough.aspx
Basically you need to insert a call like this in one of your mi...
Batch file to copy directories recursively
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Regular expression to match numbers with or without commas and decimals in text
... at the beginning to make sure the whole thing wasn't blank.
Tested here: http://rextester.com/YPG96786
This will allow things like:
100,000
999.999
90.0009
1,000,023.999
0.111
.111
0
It will block things like:
1,1,1.111
000,001.111
999.
0.
111.110000
1.1.1.111
9.909,888
There are several ways to...
Repeat String - Javascript
...nd forgotten. To remedy this issue, in August, 2008 I published an article http://www.webreference.com/programming/javascript/jkm3/3.html explaining the algorithm and using it as an example of simple of general-purpose JavaScript optimizations. By now, Web Reference has scrubbed my contact informati...
Android JSONObject - How can I loop through a flat JSON object to get each key and value
...y of all key String names.
You can get the JSONObject documentation here
http://developer.android.com/reference/org/json/JSONObject.html
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follo...
How can I get useful error messages in PHP?
...so you use 1 program to do everything.)
Cartman's link is also very good: http://www.ibm.com/developerworks/library/os-debug/
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follow
...
Android Lint contentDescription warning
...
Another option is to suppress the warning individually:
xmlns:tools="http://schemas.android.com/tools" (usually inserted automatically)
tools:ignore="contentDescription"
Example:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas....
TCP loopback connection vs Unix Domain Socket performance
...
given that the first link is dead (HTTP 404)... this is why stackoverflow best-practice is to at least provide a short/concise relevant quote from the source URL at the time of the answer writing (then when the link goes down the short summary is still availab...
What is the difference between NaN and None?
...ne belongs to the class NoneType
I found the below article very helpful:
https://medium.com/analytics-vidhya/dealing-with-missing-values-nan-and-none-in-python-6fc9b8fb4f31
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How to use php serialize() and unserialize()
...
PHP serialize() unserialize() usage
http://freeonlinetools24.com/serialize
echo '<pre>';
// say you have an array something like this
$multidimentional_array= array(
array(
array("rose", 1.25, 15),
array("daisy", 0.75, 25),
a...