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Safe integer parsing in Ruby
...ant to watch for strings that are valid non-decimal numbers, such as those starting with 0x for hex and 0b for binary, and potentially more tricky numbers starting with zero that will be parsed as octal.
Ruby 1.9.2 added optional second argument for radix so above issue can be avoided:
Integer('23...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...
}
Exit from root:
# exit
Now restart docker:
$ sudo service docker restart
VERIFICATION:
Now check that adding the /etc/docker/daemon.json file allows you to resolve 'google.com' into an IP address:
$ docker run --rm busybox nslookup google.com
Server...
Failed to allocate memory: 8
... the solution : need to specify AVD resolution forcefully : 800 x 1280. It starts my AVD as what I required
– Nirav Shah
Sep 28 '12 at 9:14
4
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Getting a timestamp for today at midnight?
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I actually need to get start of today and midnight of today. How can I find start of today I mean for 00:00:00
– Happy Coder
Nov 22 '13 at 9:23
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How to force ASP.NET Web API to always return JSON?
...ediaTypeFormatter());
EDIT
I added it to Global.asax inside Application_Start().
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Why can't I define a default constructor for a struct in .NET?
...ue-type semantics, while class provides reference-type semantics. When you start thinking about the implications of this change, other changes start to make more sense as well, including the constructor behavior you describe.
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What's the difference between tilde(~) and caret(^) in package.json?
...t right-most level: 0.2 means 0.2 <= v < 1. Differs from ~ because:
Starting omitted level version is always 0
You can set starting major version without specifying sublevels.
All (hopefully) possibilities
Set starting major-level and allow updates upward
* or "(empty string) any versio...
Change Oracle port from port 8080
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From Start | Run open a command window.
Assuming your environmental variables are set correctly start with the following:
C:\>sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on Tue Aug 26 10:40:44 2008
Copyright (c) 1...
How to shrink/purge ibdata1 file in MySQL
...es except the above 2 databases
Stop mysql
Delete ibdata1 and ib_log files
Start mysql
Restore from dump
When you start MySQL in step 5 the ibdata1 and ib_log files will be recreated.
Now you're fit to go. When you create a new database for analysis, the tables will be located in separate ibd* f...
.NET Global exception handler in console application
...s generated by the jitter this way. They happen before your Main() method starts running. Catching those requires delaying the jitter, move the risky code into another method and apply the [MethodImpl(MethodImplOptions.NoInlining)] attribute to it.
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