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How to clone a Date object?
...ate();
var copiedDate = new Date(date);
...but I'm not sure whether this works in other browsers. (It seems to work in IE8).
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How can I listen to the form submit event in javascript?
I wanna write my own form validation javascript library and I've been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html.
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Replacement for deprecated -sizeWithFont:constrainedToSize:lineBreakMode: in iOS 7?
...ze
options:NSStringDrawingUsesLineFragmentOrigin
attributes:@{NSFontAttributeName:FONT}
context:nil];
CGSize size = textRect.size;
Just change "FONT" for an "[UIFont font....]"
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Cast a Double Variable to Decimal
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You only use the M for a numeric literal, when you cast it's just:
decimal dtot = (decimal)doubleTotal;
Note that a floating point number is not suited to keep an exact value, so if you first add numbers together and then convert to Decimal y...
Command to list all files in a folder as well as sub-folders in windows
I tried searching for a command that could list all the file in a directory as well as subfolders using a command prompt command.
I have read the help for "dir" command but coudn't find what I was looking for.
Please help me what command could get this.
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TCP loopback connection vs Unix Domain Socket performance
Working on an Android and iOS based application which require communication with a server running in the same device. Currently using TCP loopback connection for communicating with App and Server (App written in user layer, server written in C++ using Android NDK)
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C# namespace alias - what's the point?
Where or when would one would use namespace aliasing like
11 Answers
11
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Is there any way to close a StreamWriter without closing its BaseStream?
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If you are using .NET Framework 4.5 or later, there is a StreamWriter overload using which you can ask the base stream to be left open when the writer is closed.
In earlier versions of .NET Framework prior to 4.5, StreamWriter assumes it owns the stre...
Is leaked memory freed up when the program exits?
If I programmed — without knowing it — a memory leak, and the application terminates, is the leaked memory freed?
6 Ans...
Rails: Adding an index after adding column
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You can run another migration, just for the index:
class AddIndexToTable < ActiveRecord::Migration
def change
add_index :table, :user_id
end
end
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