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Where are the PostgreSQL logs on macOS?
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On OS X, if you're using the EnterpriseDB installation of PostgreSQL, your log files will be in /Library/PostgreSQL/8.4/data/pg_log
Of course, you'll want to substitute 8.4 for whichever version number you're running.
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Delete duplicate rows from small table
...ing the physical location of the row. You can use this as a unique id even if your table does not possess a unique id. postgresql.org/docs/8.2/ddl-system-columns.html
– Eric Burel
Dec 4 '19 at 20:39
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Sync data between Android App and webserver [closed]
... sync data (such as db record, media) between an Android App and a Server. If you've seen Evernote or similar Applications, you certainly understand what I mean.
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PHP cURL custom headers
I'm wondering if/how you can add custom headers to a cURL HTTP request in PHP. I'm trying to emulate how iTunes grabs artwork and it uses these non-standard headers:
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How do I remove deleted branch names from autocomplete?
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One possible reason for this is that, if a remote branch (e.g. origin/myBranch) still exists, then git checkout myBranch will succeed as an alternative to git checkout -b myBranch origin/myBranch. This is intended as a convenience for the common case of checkout ...
How to fix: “HAX is not working and emulator runs in emulation mode”
...ring the installation of HAXM. You can launch its installation again to modify it.
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Why sizeof int is wrong, while sizeof(int) is right?
...n imagine why it didn't bother. With the language as it stands, a type specifier never appears "naked" in an expression, and so there is no need for rules to resolve whether that second * is part of the type or an arithmetic operator.
The existing grammar does already resolve the potential ambiguit...
Sorted collection in Java
...eue". It can sort either Comparable<?>s or using a Comparator.
The difference with a List sorted using Collections.sort(...) is that this will maintain a partial order at all times, with O(log(n)) insertion performance, by using a heap data structure, whereas inserting in a sorted ArrayList w...
Why do we declare Loggers static final?
...tempts to serialize loggers
final - no need to change the logger over the lifetime of the class
Also, I prefer name log to be as simple as possible, yet descriptive.
EDIT: However there is an interesting exception to these rules:
protected final Logger log = LoggerFactory.getLogger(getClass());
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Is there an R function for finding the index of an element in a vector?
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%in% returns a logical vector as long as the first argument, with a TRUE if that value can be found in the second argument and a FALSE otherwise.
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