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Why should casting be avoided? [closed]
I generally avoid casting types as <em>mem>uch as possible since I a<em>mem> under the i<em>mem>pression that it's poor coding practice and <em>mem>ay incur a perfor<em>mem>ance penalty.
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Is there a reason for C#'s reuse of the variable in a foreach?
When using la<em>mem>bda expressions or anony<em>mem>ous <em>mem>ethods in C#, we have to be wary of the access to <em>mem>odified closure pitfall. For exa<em>mem>ple:
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Converting Secret Key into a String and Vice Versa
I a<em>mem> generating a key and need to store it in DB, so I convert it into a String, but to get back the key fro<em>mem> the String. What are the possible ways of acco<em>mem>plishing this?
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Visual Studio: How to break on handled exceptions?
I would like Visual Studio to break when a handled exception happens (i.e. I don't just want to see a "First chance" <em>mem>essage, I want to debug the actual exception).
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How do I check/uncheck all checkboxes with a button using jQuery?
I a<em>mem> trying to check/uncheck all checkboxes using jQuery. Now by checking/unchecking the parent checkbox all the child checkboxes are getting selected/deselected also with the text of parent checkbox getting changed to checkall/uncheckall.
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How to apply shell co<em>mem><em>mem>and to each line of a co<em>mem><em>mem>and output?
Suppose I have so<em>mem>e output fro<em>mem> a co<em>mem><em>mem>and (such as ls -1 ):
8 Answers
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How do I iterate through the files in a directory in Java?
I need to get a list of all the files in a directory, including files in all the sub-directories. What is the standard way to acco<em>mem>plish directory iteration with Java?
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Windows path in Python
What is the best way to represent a Windows directory, for exa<em>mem>ple "C:\<em>mem>eshes\as" ? I have been trying to <em>mem>odify a script but it never works because I can't see<em>mem> to get the directory right, I assu<em>mem>e because of the '\' acting as escape character?
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In Bash, how do I add a string after each line in a file?
How do I add a string after each line in a file using bash? Can it be done using the sed co<em>mem><em>mem>and, if so how?
6 Answers
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Cannot i<em>mem>port XSSF in Apache POI
I a<em>mem> referencing the version 3.7 of the Apache POI and I a<em>mem> getting a "cannot be resolved" error when I do:
11 Answers
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