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Python != operation vs “is not”

In a comment on this question , I saw a statement that recommended using 5 Answers 5 ...
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Storing SHA1 hash values in MySQL

... character, you would only need a 160/8 = 20 character long field. So I recommend you to use BINARY(20) and the UNHEX function to convert the SHA1 value to binary. I compared storage requirements for BINARY(20) and CHAR(40). CREATE TABLE `binary` ( `id` int unsigned auto_increment primary key...
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Is there a limit on how much JSON can hold?

I am using jquery, JSON, and AJAX for a comment system. I am curious, is there a size limit on what you can send through/store with JSON? Like if a user types a large amount and I send it through JSON is there some sort of maximum limit? ...
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How do you debug a regex? [closed]

Regular expressions can become quite complex. The lack of white space makes them difficult to read. I can't step though a regular expression with a debugger. So how do experts debug complex regular expressions? ...
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How to get a list of installed android applications and pick one to run

...y about the my app reading and storing a list of all apps, and potentially communicating with a server. Is there any guidelines? – dowjones123 Jun 30 '15 at 20:07 1 ...
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Bower: ENOGIT Git is not installed or not in the PATH

.... Open the Windows Environment Variables/Path Window. Right-click on My Computer -> Properties Click Advanced System Settings link from the left side column Click Environment Variables in the bottom of the window Then under System Variables look for the path variable and click edit Add the pwd...
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How do you print in a Go test using the “testing” package?

... t.Log() will not show up until after the test is complete, so if you're trying to debug a test that is hanging or performing badly it seems you need to use fmt. See PeterSO's answer for using go test -v to show the output of fmt.Println when running tests. ...
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How do I subtract minutes from a date in javascript?

...ate this pseudo code into working js [don't worry about where the end date comes from except that it's a valid javascript date]. ...
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Bogus foreign key constraint fail

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EC2 instance has no public DNS

.... Have a look at the step-by-step instructions: Go to console.aws.amazon.com Go To Services -> VPC Open Your VPCs select your VPC connected to your EC2 and select Actions => Edit DNS Hostnames ---> Change DNS hostnames: to YES Hope this helps! Cheers ...