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Differences between .NET 4.0 and .NET 4.5 in High level in .NET
... Redirecting a Page
Shrinking Session State
Expanding the Range of Allowable URLs
Extensible Request Validation
Object Caching and Object Caching Extensibility
Extensible HTML, URL, and HTTP Header Encoding
Performance Monitoring for Individual Applications in a Single Wor...
How to format numbers as currency string?
... 2489.82
profits.toFixed(7) //returns 2489.8237000 (pads the decimals)
All you need is to add the currency symbol (e.g. "$" + profits.toFixed(2)) and you will have your amount in dollars.
Custom function
If you require the use of , between each digit, you can use this function:
function f...
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...
Based on yghm's workaround, I coded up a convenience class that allows me to solve the problem with a one-liner (after adding the new class to my source code of course). The one-liner is:
AndroidBug5497Workaround.assistActivity(this);
And the implementation class is:
public cla...
Create request with POST, which response codes 200 or 201 and content
...you should include in the response body:
The 201 response payload typically describes and links to the resource(s) created.
For the human using the browser, you give them something they can look at, and click, to get to their newly created resource:
HTTP/1.1 201 Created
Date: Sat, 02 Apr 2016...
How to merge dictionaries of dictionaries?
...
this is actually quite tricky - particularly if you want a useful error message when things are inconsistent, while correctly accepting duplicate but consistent entries (something no other answer here does....)
assuming you don't have h...
Facebook database design?
...nd table that holds the UserID and then the UserID of the friend (we will call it FriendID). Both columns would be foreign keys back to the Users table.
Somewhat useful example:
Table Name: User
Columns:
UserID PK
EmailAddress
Password
Gender
DOB
Location
TableName: Friend...
What's the difference between ASCII and Unicode?
...than) 221 characters, which, similarly, map to numbers 0–221 (though not all numbers are currently assigned, and some are reserved).
Unicode is a superset of ASCII, and the numbers 0–127 have the same meaning in ASCII as they have in Unicode. For example, the number 65 means "Latin capital 'A'"...
Javascript reduce on array of objects
...eration 2: a = 3, b = {x:2} returns NaN
A number literal 3 does not (typically) have a property called x so it's undefined and undefined + b.x returns NaN and NaN + <anything> is always NaN
Clarification: I prefer my method over the other top answer in this thread as I disagree with the ide...
How I can I lazily read multiple JSON values from a file/stream in Python?
...
JSON generally isn't very good for this sort of incremental use; there's no standard way to serialise multiple objects so that they can easily be loaded one at a time, without parsing the whole lot.
The object per line solution that y...
How to read XML using XPath in Java
...PathExpression expr = xpath.compile(<xpath_expression>);
Then you call expr.evaluate() passing in the document defined in that code and the return type you are expecting, and cast the result to the object type of the result.
If you need help with a specific XPath expressions, you should pro...