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Why start a shell command with a backslash?
Why is the command starting with \ ?
This is the site where I saw it.
2 Answers
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How to do a GitHub pull request
...o I create and/or send a pull request to another repository hosted on GitHub?
8 Answers
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The application may be doing too much work on its main thread
...ning different kinds of sample codes the emulator using 3 different free libraries, nothing is showing in the layout screen. The logcat is repeating the following message:
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Escaping a forward slash in a regular expression
My question is a simple one, and it is about regular expression escaping. Do you have to escape a forward slash / in a regular expression? And how would you go about doing it?
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Naming convention - underscore in C++ and C# variables
It's common to see a _var variable name in a class field. What does the underscore mean? Is there a reference for all these special naming conventions?
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How to import CSV file data into a PostgreSQL table?
...able:
CREATE TABLE zip_codes
(ZIP char(5), LATITUDE double precision, LONGITUDE double precision,
CITY varchar, STATE char(2), COUNTY varchar, ZIP_CLASS varchar);
Copy data from your CSV file to the table:
COPY zip_codes FROM '/path/to/csv/ZIP_CODES.txt' WITH (FORMAT csv);
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LD_LIBRARY_PATH vs LIBRARY_PATH
I'm building a simple C++ program and I want to temporarily substitute a system supplied shared library with a more recent version of it, for development and testing.
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How to find the kth largest element in an unsorted array of length n in O(n)?
I believe there's a way to find the kth largest element in an unsorted array of length n in O(n). Or perhaps it's "expected" O(n) or something. How can we do this?
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Iteration over std::vector: unsigned vs signed index variable
What is the correct way of iterating over a vector in C++?
17 Answers
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postgresql - replace all instances of a string within text field
In postgresql, how do I replace all instances of a string within a database column?
4 Answers
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