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How do I sort a dictionary by value?
I have a dictionary of values read from two fields in a database: a string field and a numeric field. The string field is unique, so that is the key of the dictionary.
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...s10.1 -E utf8
run pg_upgrade (note: change bin version if you're upgrading from something other than below):
pg_upgrade -v \
-d /usr/local/var/postgres \
-D /usr/local/var/postgres10.1 \
-b /usr/local/Cellar/postgresql/9.6.5/bin/ \
-B /usr/local/Cellar/postgresql/10.1/bin/
-v to e...
Stopping scripters from slamming your website
...This page may also appear if too many anonymous users are viewing our site from the same location. We encourage you to register or login to avoid this." (Adjust the wording appropriately.)
Besides, what are the odds that X people are loading the same page(s) at the same time from one IP? If they're...
Retrieve version from maven pom.xml in code
What is the simplest way to retrieve version number from maven's pom.xml in code, i.e., programatically?
11 Answers
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Delete commits from a branch in Git
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Obviously you can also use HEAD~n to "go back" n commits from your head. Maybe from this point you can interpreted ... --hard HEAD also as HEAD~0 => deleting work in progress.
– nuala
Jun 11 '12 at 8:05
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How to get a Color from hexadecimal Color String
I'd like to use a color from an hexa string such as "#FFFF0000" to (say) change the background color of a Layout.
Color.HSVToColor looks like a winner but it takes a float[] as a parameter.
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Why #egg=foo when pip-installing from git repo
When I do a "pip install -e ..." to install from a git repo, I have to specify #egg=somename or pip complains. For example:
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What happened to “Always refresh from server” in IE11 developer tools?
... F12 developer tools in Internet Explorer 11 also have the "Always refresh from server" feature of the developer tools in IE 8-10?
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Reading from text file until EOF repeats last line [duplicate]
The following C++ code uses a ifstream object to read integers from a text file (which has one number per line) until it hits EOF . Why does it read the integer on the last line twice? How to fix this?
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How do I get an ISO 8601 date on iOS?
...SDate *now = [NSDate date];
NSString *iso8601String = [dateFormatter stringFromDate:now];
And in Swift:
let dateFormatter = DateFormatter()
let enUSPosixLocale = Locale(identifier: "en_US_POSIX")
dateFormatter.locale = enUSPosixLocale
dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZZZZZ"
dateFo...