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How to find patterns across multiple lines using grep?
I want to find files that have "abc" AND "efg" in that order, and those two strings are on different lines in that file. Eg: a file with content:
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How to check if a column exists in a SQL Server table?
I need to add a specific column if it does not exist. I have something like the following, but it always returns false:
31 ...
How to Programmatically Add Views to Views
...et's say I have a LinearLayout , and I want to add a View to it, in my program from the Java code. What method is used for this? I'm not asking how it's done in XML, which I do know, but rather, how can I do something along the lines of this sample code?
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PHP-FPM doesn't write to error log
I've just installed a nginx+php-fpm server. Everything seems fine except that PHP-FPM never writes error to its log.
11 Ans...
How to increment a datetime by one day?
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date = datetime.datetime(2003,8,1,12,4,5)
for i in range(5):
date += datetime.timedelta(days=1)
print(date)
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How to change facet labels?
I have used the following ggplot command:
20 Answers
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When to use IComparable Vs. IComparer
I'm trying to figure out which of these interfaces I need to implement. They both essentially do the same thing. When would I use one over the other?
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Dynamic Sorting within SQL Stored Procedures
This is an issue that I've spent hours researching in the past. It seems to me to be something that should have been addressed by modern RDBMS solutions but as yet I have not found anything that really addresses what I see to be an incredibly common need in any Web or Windows application with a d...
How to determine SSL cert expiration date from a PEM encoded certificate?
... expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files.
8 An...
How to programmatically get iOS status bar height
...e proof my app I would like to be able to determine this without hard coding values. Is it possible to figure out the height of the status bar programmatically?
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