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Waiting until two async blocks are executed before starting another block

... NSLog(@"Block3"); }); // only for non-ARC projects, handled automatically in ARC-enabled projects. dispatch_release(group); and could produce output like this: 2012-08-11 16:10:18.049 Dispatch[11858:1e03] Block1 2012-08-11 16:10:18.052 Dispatch[11858:1d03] Block2 2012-08-11 16:10:23.051 Dis...
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How do I convert an array object to a string in PowerShell?

How can I convert an array object to string? 6 Answers 6 ...
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How to create a simple map using JavaScript/JQuery [duplicate]

... The keys shouldn't be specified as strings, i.e. without quotes – lilalinux Sep 24 '15 at 15:12 add a comment  |  ...
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Split string based on a regular expression

...bular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inserted between every element: ...
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Reading HTML content from a UIWebView

... The second question is actually easier to answer. Look at the stringWithContentsOfURL:encoding:error: method of NSString - it lets you pass in a URL as an instance of NSURL (which can easily be instantiated from NSString) and returns a string with the complete contents of the page at th...
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Oracle SQL, concatenate multiple columns + add text

... You have two options for concatenating strings in Oracle: CONCAT Using || CONCAT example: CONCAT( CONCAT( CONCAT( CONCAT( CONCAT('I like ', t.type_desc_column), ' cake with '), t.icing_desc_column), ' and a '), t.frui...
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using .join method to convert array to string without commas [duplicate]

I'm using .join() to convert my array to a string so I can output it in a text box as the user selects numbers in a calculator, I'm not entirely sure how I can remove the commas that are also being output in the list however. Can someone advise how this can be achieved or if there is a different a...
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Iterate over each line in a string in PHP

...ly differentiate between the two and put whichever one they entered into a string variable, but where do I go from there? 7...
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How to convert strings into integers in Python?

... int() is the Python standard built-in function to convert a string into an integer value. You call it with a string containing a number as the argument, and it returns the number converted to an integer: print (int("1") + 1) The above prints 2. If you know the structure of your li...
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string.Format() giving “Input string is not in correct format”

... string.Format() considers each '{' or '}' to be part of a placeholder (like '{0}' you already use). You need to escape each literal occurrence by doubling it. So in your case do: string tmp = @" if (UseImageFiles) {{ ...