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How does the static modifier affect this code?

...hases take place: 1. Identification, 2. Execution In identification phase all static variables are detected and initialized with default values. So now the values are: A obj=null num1=0 num2=0 The second phase, execution, starts from top to bottom. In Java, the execution starts from the first stat...
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Why do we check up to the square root of a prime number to determine if it is prime?

...) = n. So in any factorization of n, at least one of the factors must be smaller than the square root of n, and if we can't find any factors less than or equal to the square root, n must be a prime. share | ...
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Exposing a port on a live Docker container

...e -p flag with docker run to assign ports, but once a container is actually running, is there a command to open/map additional ports live? ...
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Changing the color of an hr element

... Why even bother with the border at all? Why not just give it a background-color and be done with it? Edit: nvm, I didn't see the answer on browser compatibility. – Lawyerson May 26 '16 at 12:39 ...
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python: how to send mail with TO, CC and BCC?

...ey thing is to add the recipients as a list of email ids in your sendmail call. import smtplib from email.mime.multipart import MIMEMultipart me = "user63503@gmail.com" to = "someone@gmail.com" cc = "anotherperson@gmail.com,someone@yahoo.com" bcc = "bccperson1@gmail.com,bccperson2@yahoo.com" rcpt...
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To Workflow or Not to Workflow?

... match, so no problems there. Regarding your concerns you are right. Basically WF4 is a new product and is lacking some important features and has some rough edges. There is a learning curve, you do have to do some things differently. The main point is long running and serialization, which is somet...
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How dangerous is it to access an array out of bounds?

... repeatedly accessing a single memory location in a tight loop could literally cause that chunk of memory to melt. Other possibilities include destroying a CRT display, and moving the read/write head of a disk drive with the harmonic frequency of the drive cabinet, causing it to walk across a table...
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Generate an integer that is not among four billion given ones

...many numbers there are in the input file with any given 16-bit prefix, for all possible 16-bit prefixes in one pass through the input file. At least one of the buckets will have be hit less than 216 times. Do a second pass to find of which of the possible numbers in that bucket are used already. If...
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Why does HTML think “chucknorris” is a color?

...s 0. For example the values #F0F0F0, F0F0F0, F0F0F, #FxFxFx and FxFxFx are all the same. It is from the blog post A little rant about Microsoft Internet Explorer's color parsing which covers it in great detail, including varying lengths of color values, etc. If we apply the rules in turn from the...
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Update Row if it Exists Else Insert Logic with Entity Framework

...s.AddObject(myEntity); } // Attached object tracks modifications automatically context.SaveChanges(); If you can use any knowledge about the object's key you can use something like this: if (myEntity.Id != 0) { context.MyEntities.Attach(myEntity); context.ObjectStateManager.ChangeObject...