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What is the reason not to use select *?
...The essence of the quote of not prematurely optimizing is to go for simple and straightforward code and then use a profiler to point out the hot spots, which you can then optimize to be efficient.
When you use select * you're make it impossible to profile, therefore you're not writing clear & s...
Python - When to use file vs open
What's the difference between file and open in Python? When should I use which one? (Say I'm in 2.5)
6 Answers
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What does “exited with code 9009” mean during this build?
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Did you try to give the full path of the command that is running in the pre- or post-build event command?
I was getting the 9009 error due to a xcopy post-build event command in Visual Studio 2008.
The command "xcopy.exe /Y C:\projectpath\project.config C:\compile...
What is a Python equivalent of PHP's var_dump()? [duplicate]
... var_dump() in my code to show me what a variable is, what its value is, and the same for anything that it contains.
10 A...
Get specific line from text file using just shell script
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What about with the sh command, I cannot use sed, awk. I should make this more clear in the question.
– GangstaGraham
Oct 11 '13 at 21:45
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How to send emails from my Android application?
I am developing an application in Android. I don't know how to send an email from the application?
21 Answers
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Delete all documents from index/type without deleting type
...aving custom mappings; do note that the second option will delete the type and its mappings. So don't forget to remap the index type after deleting. Or else you will be messed up.
– Finny Abraham
Sep 15 '15 at 6:14
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How to get a path to a resource in a Java JAR file
...le" may not be available as a file. Remember you are dealing with classes and resources that may be part of a JAR file or other kind of resource. The classloader does not have to provide a file handle to the resource, for example the jar file may not have been expanded into individual files in the ...
Git merge left HEAD marks in my files
I tried to merge a file in the command line using Git, when an error message appeared telling me the merge was aborted.
5 ...
Convert Decimal to Double
...in VB.NET because it implicitly does any casts, while C# has both implicit and explicit ones.
In C# the conversion from decimal to double is explicit as you lose accuracy. For instance 1.1 can't be accurately expressed as a double, but can as a decimal (see "Floating point numbers - more inaccurate...