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Capturing Groups From a Grep RegEx

..._[0-9a-z]*" for f in $files # unquoted in order to allow the glob to expand do if [[ $f =~ $regex ]] then name="${BASH_REMATCH[1]}" echo "${name}.jpg" # concatenate strings name="${name}.jpg" # same thing stored in a variable else echo "$f doesn't...
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Add UIPickerView & a Button in Action sheet - How?

...ext errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I jus...
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Warning on “diff.renamelimit variable” when doing git push

I'm pushing the local commit to the remote git server and got the following warning messages: 2 Answers ...
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What is the recommended batch size for SqlBulkCopy?

...s my SQL Server instance. Using a custom IDataReader, it parses flat files and inserts them into a database using SQLBulkCopy. A typical file has about 6M qualified rows, averaging 5 columns of decimal and short text, about 30 bytes per row. Given this scenario, I found a batch size of 5,000 to be...
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How to concatenate string variables in Bash

... It's specifically and only a plus-equals operator. That is, unlike Javascript, in Bash, echo $A+$B prints "X Y+Z" – phpguru Feb 13 '17 at 19:04 ...
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How does the static modifier affect this code?

...n, 2. Execution In identification phase all static variables are detected and initialized with default values. So now the values are: A obj=null num1=0 num2=0 The second phase, execution, starts from top to bottom. In Java, the execution starts from the first static members. Here your first static...
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Creating a JavaScript cookie on a domain and reading it across sub domains

... Just set the domain and path attributes on your cookie, like: <script type="text/javascript"> var cookieName = 'HelloWorld'; var cookieValue = 'HelloWorld'; var myDate = new Date(); myDate.setMonth(myDate.getMonth() + 12); document.cookie...
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How can I apply styles to multiple classes at once?

... was looking for. You can also then have a second, separate entry for .abc and/or .xyz for properties you don't want to apply to both e.g. .xyz {font-weight: bold;} will combine to make .xyz bold and margin-left'ed by 20px but .abc only margin-left'ed. – RyanfaeScotland ...
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How does BLAS get such extreme performance?

...k The Science of Programming Matrix Computations by Robert A. van de Geijn and Enrique S. Quintana-Ortí. They provide a free download version. BLAS is divided into three levels: Level 1 defines a set of linear algebra functions that operate on vectors only. These functions benefit from vectoriza...
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What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?

What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic? 1 Answer ...