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Finding out whether a string is numeric or not

... check if a string is made up of numbers only. I am taking out a substring from a string and want to check if it is a numeric substring or not. ...
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How do I remove all specific characters at the end of a string in PHP?

...e helpful for someone. rtrim() - Strip whitespace (or other characters) from the end of a string ltrim() - Strip whitespace (or other characters) from the beginning of a string trim() - Strip whitespace (or other characters) from the beginning and end of a string For removing special character...
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How to create index in Entity Framework 6.2 with code first

... can do is via the fluent API you can mark properties as having attributes from the Annotation API. This will allow you to add the Index attribute via a fluent interface. Here are some examples from the work item from Issues site for EF. Create a index on a single column: modelBuilder.Entity<M...
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Automatic prune with Git fetch or pull

... To accommodate users who want to either prune always or when fetching from a particular remote, add two new configuration variables "fetch.prune" and "remote.<name>.prune": "fetch.prune" allows to enable prune for all fetch operations. "remote.<name>.prune" allows to chang...
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Delete commits from a branch in Git

... Obviously you can also use HEAD~n to "go back" n commits from your head. Maybe from this point you can interpreted ... --hard HEAD also as HEAD~0 => deleting work in progress. – nuala Jun 11 '12 at 8:05 ...
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What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association

... See here for an example from the OpenJPA docs. CascadeType.ALL means it will do all actions. Quote: CascadeType.PERSIST: When persisting an entity, also persist the entities held in its fields. We suggest a liberal application of this cascade rule,...
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How to set username and password for SmtpClient object in .NET?

I see different versions of the constructor, one uses info from web.config, one specifies the host, and one the host and port. But how do I set the username and password to something different from the web.config? We have the issue where our internal smtp is blocked by some high security clients and...
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ab load testing

...g: it indicates that you desire for your test to use the Keep Alive header from HTTP and sustain the connection). Since browsers do this and you're likely to want to simulate the stress and flow that your site will have from browsers, it is recommended you do a benchmark with this. The final argume...
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How to install Boost on Ubuntu

... It is easy to build and install Boost from the sources, for example anycoder.wordpress.com/2014/04/28/building-boost – Andrew Selivanov Apr 29 '14 at 11:24 ...
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What are the differences between virtual memory and physical memory?

...ocesses to have their own address spaces. This protects one process's data from being written over by another process. It also lets you give different permissions to different address spaces, so some users of the system can have higher read/write privileges than others. Having the same amount of vir...