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Are email addresses case sensitive?

I've read that by standard first part of e-mail is case sensitive, however I've tried to send e-mail to name@example.com , Name@example.com and NAME@example.com - it has arrived in each case. ...
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How can I lock a file using java (if possible)

...utStreamReader(in, charset) ) { ... } (Disclaimer: Code not compiled and certainly not tested.) Note the section entitled "platform dependencies" in the API doc for FileLock. share | improve ...
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See changes to a specific file using git

I know that I can use the git diff command to check the changes, but, as far as I understood, it is directory based. This means it gives all the changes of all files on the current directory. ...
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The builds tools for v120 (Platform Toolset = 'v120') cannot be found

...ngs to use toolset v110, or you install Visual Studio 2013 on this machine and use VS2013 to compile it. share | improve this answer | follow | ...
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insert a NOT NULL column to an existing table

...Null-able column, then update your table column with valid not null values and finally ALTER column to set NOT NULL constraint: ALTER TABLE MY_TABLE ADD STAGE INT NULL GO UPDATE MY_TABLE SET <a valid not null values for your column> GO ALTER TABLE MY_TABLE ALTER COLUMN STAGE INT NOT NULL GO ...
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Splitting a Java String by the pipe symbol using split(“|”)

... You need test.split("\\|"); split uses regular expression and in regex | is a metacharacter representing the OR operator. You need to escape that character using \ (written in String as "\\" since \ is also a metacharacter in String literals and require another \ to escape it). You...
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What characters are valid for JavaScript variable names?

...00C zero width non-joiner characters, U+200D zero width joiner characters, and characters in the Unicode categories “Non-spacing mark (Mn)”, “Spacing combining mark (Mc)”, “Decimal digit number (Nd)”, or “Connector punctuation (Pc)”. I’ve also created a tool that will tell you if...
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How to tell which colorscheme a Vim session currently uses

...e's no guaranteed way (as a colour scheme is essentially a load of vim commands that are sourced). However, by convention there should be a variable g:colors_name that is set to the name of the colour scheme. Therefore, try this: echo g:colors_name If you get E121, it's either a poorly made col...
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Android Whatsapp/Chat Examples [closed]

Does anybody have an example or a tutorial for a Android application like WhatsApp ? I want to understand how WhatsApp works and how it is programmed. ...
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Sending message through WhatsApp

...at whatsapp doesn't support this, I was wondering if something had changed and if there is a way to open a whatsapp 'chat' with a number that I'm sending through an intent? ...