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How to delete a file after checking whether it exists
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The test shouldn't be used in place of exception handling tho, but rather in conduction with it. Any number of scenarios can result in the exists check returning true and Delete throwing.
– Josh
Jun 23 '11 at 4:09
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How to get the contents of a webpage in a shell variable?
In Linux how can I fetch an URL and get its contents in a variable in shell script?
6 Answers
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How to generate Javadoc HTML files in Eclipse?
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Project > Generate Javadoc....
In the Javadoc command: field, browse to find javadoc.exe (usually at [path_to_jdk_directory]\bin\javadoc.exe).
Check the box next to the project/package/file for which you are creating the Javadoc.
In the Destination: field, browse to find the...
Setting mime type for excel document
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I believe the standard MIME type for Excel files is application/vnd.ms-excel.
Regarding the name of the document, you should set the following header in the response:
header('Content-Disposition: attachment; filename="name_of_excel_file.x...
How can I reorder a list? [closed]
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I just could not understand the syntax until I realized is a pairwise simultaneous assignment. ´:-)
– loved.by.Jesus
Apr 27 at 9:56
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Count number of occurrences of a pattern in a file (even on same line)
...occurrences, use -o. Try this:
echo afoobarfoobar | grep -o foo | wc -l
And man grep of course (:
Update
Some suggest to use just grep -co foo instead of grep -o foo | wc -l.
Don't.
This shortcut won't work in all cases. Man page says:
-c print a count of matching lines
Difference in these...
How to set conditional breakpoints in Visual Studio?
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In VS 2015 you need to hover over the breakpoint and click the gear icon to set conditions
– mark.monteiro
Dec 8 '15 at 14:29
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Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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Multiple Type Constraints in Swift
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Any way to do the same thing with classes and structs in the type contraint expression? e.g. <T where T:SomeStruct, T:AnotherStruct>? For classes the compiler appears to interpret this as saying "T is a subclass of both", and for structs it just complains that ...
Why does the C# compiler go mad on this nested LINQ query?
Try to compile following code and you'll find that compiler takes >3 GB of RAM (all free memory on my machine) and very long time to compile (actually I get IO exception after 10 minutes).
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