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Insert the carriage return character in vim

I'm editing a network protocol frame stored a file in Unix ( \n newlines). I need to insert the carriage return character ( U+000D aka \r ). When I try to paste it from the clipboard ( "+p ) or type it using Ctrl + Shift + u - 000d , the linefeed is inserted ( U+000A ). ...
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What is the difference between a HashMap and a TreeMap? [duplicate]

... SortedMap, which means that the order of the keys can be sorted, and when iterating over the keys, you can expect that they will be in order. HashMap on the other hand, makes no such guarantee. Therefore, when iterating over the keys of a HashMap, you can't be sure what order they will be in. Ha...
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What does 'wb' mean in this code, using Python?

... File mode, write and binary. Since you are writing a .jpg file, it looks fine. But if you supposed to read that jpg file you need to use 'rb' More info On Windows, 'b' appended to the mode opens the file in binary mode, so ther...
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CPU Privilege Rings: Why rings 1 and 2 aren't used?

... As a hobbyist operating system writer, I found that because paging (a major part of the modern protection model) only has a concept of privileged (ring 0,1,2) and unprivileged, the benefit to rings 1 and 2 were diminished greatly. The intent by Intel in hav...
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Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc

...trator mode. If you are using windows 7, you can go to run, type cmd and hit Ctrl+Shift+enter. This will open the command prompt in administrator mode. If not, you can also go to start -> all programs -> accessories -> right click command prompt and click 'run as administrator'. ...
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Browser support for URLs beginning with double slash

I've recently seen a few links used without a protocol. It didn't seem too difficult to understand - I think it's a great idea and pretty intuitive. ...
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Unresolved external symbol on static class members

...55721) If using older versions of the C++ standard, you must add the definitions to match your declarations of X and Y unsigned char test::X; unsigned char test::Y; somewhere. You might want to also initialize a static member unsigned char test::X = 4; and again, you do that in the definition (u...
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How can I merge two commits into one if I already started rebase?

I am trying to merge 2 commits into 1, so I followed “squashing commits with rebase” from git ready . 11 Answers ...
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What is difference between sjlj vs dwarf vs seh?

...rocess. On Linux, I'm using GCC. Everything is great. I can optimize code, it compiles fast and uses not-so-much memory. 2...
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django import error - No module named core.management

...o run the script. This should be the path to your virtualenv's python, but it is something wrong like /usr/bin/python, which is not the same path and will use the global python environment (and packages will be missing). Just change the path into the path to the python executable in your virtualenv....