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C# using streams
Streams are kind of mysterious to me. I don't know when to use which stream and how to use them. Can someone explain to me how streams are used?
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Why aren't variables declared in “try” in scope in “catch” or “finally”?
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Two things:
Generally, Java has just 2 levels of scope: global and function. But, try/catch is an exception (no pun intended). When an exception is thrown and the exception object gets a variable assigned to it, that object variable is only available within the "catch" section and is destroyed ...
What is the easiest way to parse an INI file in Java?
I am writing a drop-in replacement for a legacy application in Java. One of the requirements is that the ini files that the older application used have to be read as-is into the new Java Application. The format of this ini files is the common windows style, with header sections and key=value pairs...
How to Configure SSL for Amazon S3 bucket
...azon S3 bucket for uploading and downloading of data using my .NET application. Now my question is: I want to access my S3 bucket using SSL. Is it possible to implement SSL for an Amazon s3 bucket?
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Add text to Existing PDF using Python
... know this is an older post, but I spent a long time trying to find a solution. I came across a decent one using only ReportLab and PyPDF so I thought I'd share:
read your PDF using PdfFileReader(), we'll call this input
create a new pdf containing your text to add using ReportLab, save this as a...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...ens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (in the case that the mutex...
你真的了解熊市有多么可怕吗? - 创意 - 清泛网 - 专注C/C++及内核技术
...公司大厅空无一人,除了工作人员已经没人。报纸的证券版越来越小,电视的证券节目全部都在深夜,新闻已经不再报道行情,因为天天都是跌。
每天出现的股评高手,说的都是如何杀跌换股,短线操作而不是持有。
每隔几...
Responsive font size in CSS
I've created a site using the Zurb Foundation 3 grid. Each page has a large h1 :
30 Answers
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Java 256-bit AES Password-Based Encryption
I need to implement 256 bit AES encryption, but all the examples I have found online use a "KeyGenerator" to generate a 256 bit key, but I would like to use my own passkey. How can I create my own key? I have tried padding it out to 256 bits, but then I get an error saying that the key is too long. ...
How to detect when cancel is clicked on file input?
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While not a direct solution, and also bad in that it only (as far as I've tested) works with onfocus (requiring a pretty limiting event blocking) you can achieve it with the following:
document.body.onfocus = function(){ /*rock it*/ }
What's nice...
