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How can I lock a file using java (if possible)

... Tom Hawtin - tacklineTom Hawtin - tackline 139k3030 gold badges204204 silver badges288288 bronze badges ...
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Subtract 7 days from current date

... 113 use dateByAddingTimeInterval method: NSDate *now = [NSDate date]; NSDate *sevenDaysAgo = [now d...
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Efficiently test if a port is open on Linux?

...n, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe. As per the comment below, to test for listening on a local server in a script: exec 6<>/dev/tcp/127.0.0.1/445 || echo "No one is listening!" exec 6>&- # close output connection ...
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How to select from subquery using Laravel Query Builder?

... 134 In addition to @delmadord's answer and your comments: Currently there is no method to create s...
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Difference between variable declaration syntaxes in Javascript (including global variables)?

...st a = 0; // 1.2 (new with ES2015) a = 0; // 2 window.a = 0; // 3 this.a = 0; // 4 Those statements explained #1 var a = 0; This creates a global variable which is also a property of the global object, which we access as window on browsers (or via this a global scope, in non-strict...
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Using the field of an object as a generic Dictionary key

... Marc Gravell♦Marc Gravell 888k227227 gold badges23562356 silver badges27202720 bronze badges ...
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how to stop browser back button using javascript

...sable the back button, but none are guaranteed: http://www.irt.org/script/311.htm share | improve this answer | follow | ...
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MSSQL Error 'The underlying provider failed on Open'

... | edited May 23 '17 at 12:02 Community♦ 111 silver badge answered Jun 21 '10 at 2:17 ...
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python: SyntaxError: EOL while scanning string literal

... 234 You are not putting a " before the end of the line. Use """ if you want to do this: """ a ve...
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How do I use itertools.groupby()?

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