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Check whether a string contains a substring

...cause a . can match any character. You can get around this by using the \Q and \E operators. my $substring = "s1.domain.com"; if ($mystring =~ /\Q$substring\E/) { print qq("$mystring" contains "$substring"\n); } Or, you can do as eugene y stated and use the index function. Just a word of ...
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How do I remove deleted branch names from autocomplete?

... git branch -d myBranch to delete a branch. However, when I am on master and try to checkout a new branch with git checkout , myBranch still appears in the tab-autocomplete. ...
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How do I move the turtle in LOGO? [closed]

.../ TURN LEFT LT 21 // MOVE BACKWARD BK 17 Check out some other turtle commands found here... Turtle Commands BACK ## [BK] - Move turtle back BACKGROUND ## [BG] - Set Background color (0-15) 0 - Black 1 - White 2 - Red 3 - Cyan 4 - Purple 5 - Green 6 - Blue 7 - Yellow 8 - Orange 9 - Brown...
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What does $$ (dollar dollar or double dollar) mean in PHP?

... variable thas has its name contained in $name" Which is $real_variable And has the value 'test' EDIT after @Jhonny's comment : Doing a $$$ ? Well, the best way to know is to try ;-) So, let's try this portion of code : $real_variable = 'test'; $name = 'real_variable'; $name_of_name = '...
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Split column at delimiter in data frame [duplicate]

... rename it appropriately (the rename function from the reshape package is handy for doing this on the fly) and then rbind it with the existing data frame -- extra effort to get it inserted in place of the previous single column rather than as the first or last columns ... – Ben...
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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?

...n you try to delete on table BookCourses only the table itself is affected and not on the Courses follow-up question: why do you have CourseID on table Category? Maybe you should restructure your schema into this, CREATE TABLE Categories ( Code CHAR(4) NOT NULL PRIMARY KEY, CategoryName VARC...
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How do I create a WPF Rounded Corner container?

...that we need to have rounded corners in various locations in a single page and we would like to have a WPF Rounded Corner container to place a bunch of other elements within. Does anyone have some suggestions or sample code on how we can best accomplish this? Either with styles on a or with crea...
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How to create a file in a directory in java?

... Don't forget to check the called method (mkdirs and createNewFile) calls for errors – Alessandro S. Jul 28 '15 at 12:26 1 ...
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Is there a Python equivalent to Ruby's string interpolation?

... % operator can be used for string interpolation in Python. The first operand is the string to be interpolated, the second can have different types including a "mapping", mapping field names to the values to be interpolated. Here I used the dictionary of local variables locals() to map the field n...
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Select first occurring element after another element

...lternative is to use JS to find your h4 elements, walk to the next sibling and add a CSS class to that. With jQuery, this would simply be $('#sb-wrapper #sb-wrapper-inner #sb-body #myDiv h4').next().addClass('shadowbox-h4-p'); – Phrogz Jan 7 '11 at 14:10 ...