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Signed versus Unsigned Integers

...at text but I found another link. Go to the 9th page of the PDF (it is actually the 38th page of the book) and you can see the section called Data Representation (Section 1.3). It has the explanation of all the things said above. lms.uop.edu.jo/lms/pluginfile.php/2420/mod_resource/content/1/… ...
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Expert R users, what's in your .Rprofile? [closed]

... Yes, the local({ ... }) as shown in help(Startup) is what I usually do these days in Rprofile.site. Haven't needed the X11 hack in a while :) – Dirk Eddelbuettel Aug 27 '15 at 11:02 ...
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How to find patterns across multiple lines using grep?

... used as pcregrep -M 'abc.*(\n|.)*efg' test.txt where -M, --multiline allow patterns to match more than one line There is a newer pcre2grep also. Both are provided by the PCRE project. pcre2grep is available for Mac OS X via Mac Ports as part of port pcre2: % sudo port install pcre2 and v...
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Git Server Like GitHub? [closed]

... You can just set up an ssh server and run a central repository there. All developers then simply agree (as a matter of policy) to push to the server when they are done making commits. This is the usage pattern at my workplace. Very CVS and SVN-like. Find somewhere to put the repository (/var/...
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Opacity of div's background without affecting contained element in IE 8?

...nked above also lists a few other browsers it doesn't work in, but they're all very old by now; all browsers in current use except IE6/7/8 will work with rgba colours. The good news is that you can force IE to work with this as well, using a hack called CSS3Pie. CSS3Pie adds a number of modern CSS3...
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How to check if a column exists in a SQL Server table?

...Smith didn't knew that, I was using your answer and came across this. Generally I use square brackets during adding columns, so I used them inside COL_LENGTH function too. My code was like this: Alter table Table_Name Add [ColumnName] NVarchar(max) NULL; Select COL_LENGTH('[TABLE_NAME]', '[COLUMN_...
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Joins are for lazy people?

...r developer who claimed to me that JOINs (SQL) are useless. This is technically true but he added that using joins is less efficient than making several requests and link tables in the code (C# or Java). ...
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Client-server synchronization pattern / algorithm?

...t there must be client-server synchronization patterns out there. But i totally failed to google up one. 6 Answers ...
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How do you get the rendered height of an element?

...for everyone's participation. Lots of good info on this thread. This will allow me to center pages using CSS but use jQuery to make the overall height of the "container" div correct without venturing into CSS hackville. Thanks again. – BuddyJoe Feb 9 '09 at 17...
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Convert a byte array to integer in Java and vice versa

I want to store some data into byte arrays in Java. Basically just numbers which can take up to 2 Bytes per number. 8 Answe...