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How to insert a text at the beginning of a file?

...d in place while file.old is created. You can then delete file.old in your script. share | improve this answer | follow | ...
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Avoid duplicates in INSERT INTO SELECT query in SQL Server

...ourse between both tables. This will work the first time you run the below script. The duplicate ID in table 1, will not insert... If you run it the second time, you will get a Violation of PRIMARY KEY constraint error This is the code: Insert into Table_2 Select distinct * from Table_1 whe...
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Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]

...access a serial port with Python 2.6 on my Raspberry Pi running Debian. My script named serial.py tries to import pySerial: ...
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Advanced JavaScript: Why is this function wrapped in parentheses? [duplicate]

I came across this bit of JavaScript code, but I have no idea what to make out of it. Why do I get "1" when I run this code? What is this strange little appendix of (1) and why is the function wrapped in parentheses? ...
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte

I am using Python-2.6 CGI scripts but found this error in server log while doing json.dumps() , 15 Answers ...
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How to attach file to a github issue?

...ranch, then commit the file to that branch and purge it later. EDIT: This script may be of use to you: https://github.com/wereHamster/ghup share | improve this answer | fol...
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How to reset Django admin password?

... You may try through console: python manage.py shell then use following script in shell from django.contrib.auth.models import User User.objects.filter(is_superuser=True) will list you all super users on the system. if you recognize yur username from the list: usr = User.objects.get(username=...
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MongoDb query condition on comparing 2 fields

...can use a $where. Just be aware it will be fairly slow (has to execute Javascript code on every record) so combine with indexed queries if you can. db.T.find( { $where: function() { return this.Grade1 > this.Grade2 } } ); or more compact: db.T.find( { $where : "this.Grade1 > this.Grade2" } );...
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Last segment of URL in jquery

How do I get the last segment of a url? I have the following script which displays the full url of the anchor tag clicked: ...
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Stop node.js program from command line

... That assumes that you are in REPL to begin with. What if I have a Node script running? – IgorGanapolsky Mar 6 '17 at 17:26 add a comment  |  ...