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Convert SQLITE SQL dump file to POSTGRESQL
I've been doing development using SQLITE database with production in POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database.
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How many characters can UTF-8 encode?
If UTF-8 is 8 bits, does it not mean that there can be only maximum of 256 different characters?
10 Answers
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getting date format m-d-Y H:i:s.u from milliseconds
...s (added in PHP 5.2.2). Note that date() will always generate 000000 since it takes an integer parameter, whereas DateTime::format() does support microseconds if DateTime was created with microseconds.
So use as simple:
$micro_date = microtime();
$date_array = explode(" ",$micro_date);
$date = da...
Useful GCC flags for C
... "undefined behaviour" in C).
-fverbose-asm is useful if you're compiling with -S to examine the assembly output - it adds some informative comments.
-finstrument-functions adds code to call user-supplied profiling functions at every function entry and exit point.
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How to check if a file exists in Go?
...or not (like Python's os.path.exists ). What is the idiomatic way to do it?
11 Answers
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How could I ignore bin and obj folders from git repository?
I want to ignore bin and obj folders from my git repository. As I've found out, there is no easy way to do this in .gitignore. So, are there any other way? Using clean solution in Visual Studio?
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How do I find out my MySQL URL, host, port and username?
...need to find my MySQL username. When I open the MySQL command line client, it only asks me for my password. I don't remember my username. And for connectivity with JDBC, I need the URL, host and port number. Where do I find all of these?
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
Read first N lines of a file in python
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Python 2
with open("datafile") as myfile:
head = [next(myfile) for x in xrange(N)]
print head
Python 3
with open("datafile") as myfile:
head = [next(myfile) for x in range(N)]
print(head)
Here's another way (both Python 2 ...
Is there a way to access method arguments in Ruby?
New to Ruby and ROR and loving it each day, so here is my question since I have not idea how to google it (and I have tried :) )
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