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How can I truncate a double to only two decimal places in Java?

... If you want that for display purposes, use java.text.DecimalFormat: new DecimalFormat("#.##").format(dblVar); If you need it for calculations, use java.lang.Math: Math.floor(value * 100) / 100; ...
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Python Script execute commands in Terminal

I read this somewhere a while ago but cant seem to find it. I am trying to find a command that will execute commands in the terminal and then output the result. ...
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Print list without brackets in a single row

I have a list in Python e.g. 12 Answers 12 ...
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JavaScript loop through json array?

... Your JSON should look like this: var json = [{ "id" : "1", "msg" : "hi", "tid" : "2013-05-05 23:35", "fromWho": "hello1@email.se" }, { "id" : "2", "msg" : "there", "tid" : "2013-05-05 23:45", "fromWho": "hello2@emai...
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Properly close mongoose's connection once you're done

I'm using mongoose in a script that is not meant to run continuously, and I'm facing what seems to be a very simple issue yet I can't find an answer; simply put once I make a call to any mongoose function that sends requests to mongodb my nodejs instance never stops and I have to kill it manually wi...
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How to call Android contacts list?

I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work. ...
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Difference between `npm start` & `node app.js`, when starting app?

... runs a package's "start" script, if one was provided. If no version is specified, then it starts the "active" version. Admittedly, that description is completely unhelpful, and that's all it says. At least it's more documented than socket.io. Anyhow, what really happens is that npm looks i...
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iTextSharp - Sending in-memory pdf in an email attachment

I've asked a couple of questions here but am still having issues. I'd appreciate if you could tell me what I am doing wrong in my code. I run the code above from a ASP.Net page and get "Cannot Access a Closed Stream". ...
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git stash apply version

...@{0} (note that in some shells you need to quote "stash@{0}", like zsh, fish and powershell). Since version 2.11, it's pretty easy, you can use the N stack number instead of using stash@{n}. So now instead of using: git stash apply "stash@{n}" You can type: git stash apply n To get list of ...
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Add leading zeroes/0's to existing Excel values to certain length

... =TEXT(A1,"0000") However the TEXT function is able to do other fancy stuff like date formating, aswell. share | improve this answer | follow ...