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puts vs logger in rails rake tasks
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I'd say that using Rails.logger.info is the way to go.
You won't be able to see it in the server console because it won't run via the server. Just open up a new console and tail -f the log file, it'll do the trick.
Many users are aware of the UNIX®
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Token Authentication vs. Cookies
...tication is but actually did not answer the question. The closest relevant info I can see is in the last bit "because of the nature of the ember.js framework and also because it fits more with the statefull web app paradigm" but that's not much of an answer at all. I have the same question.
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How can one see the structure of a table in SQLite? [duplicate]
...do_index ON alarms(todo);
Note also that SQLite saves the schema and all information about tables in the database itself, in a magic table named sqlite_master, and it's also possible to execute normal SQL queries against that table. For example, the documentation link above shows how to derive the...
How to keep a Python script output window open?
...nction call
except Exception:
import sys
print sys.exc_info()[0]
import traceback
print traceback.format_exc()
print "Press Enter to continue ..."
raw_input()
To keep the window open in any case:
if __name__ == '__main__':
try:
## ...
MySQL dump by query
...n restoring from the saved data file, make sure you add in the --no-create-info option. See my answer for an example.
– Gary
Dec 5 '13 at 18:28
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When vectors are allocated, do they use memory on the heap or the stack?
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vector<Type> vect;
will allocate the vector, i.e. the header info, on the stack, but the elements on the free store ("heap").
vector<Type> *vect = new vector<Type>;
allocates everything on the free store.
vector<Type*> vect;
will allocate the vector on the stack...
How do I remove a single breakpoint with GDB?
...
You can list breakpoints with:
info break
This will list all breakpoints. Then a breakpoint can be deleted by its corresponding number:
del 3
For example:
(gdb) info b
Num Type Disp Enb Address What
3 breakpoint keep y ...
T-SQL query to show table definition?
...o easy way to return the DDL. However you can get most of the details from Information Schema Views and System Views.
SELECT ORDINAL_POSITION, COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH
, IS_NULLABLE
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'Customers'
SELECT CONSTRAINT_NAME...
How to pull specific directory with git
...l>
git config core.sparsecheckout true
echo <dir1>/ >> .git/info/sparse-checkout
echo <dir2>/ >> .git/info/sparse-checkout
echo <dir3>/ >> .git/info/sparse-checkout
git pull origin master
To do what OP wants (work on only one dir), just add that one dir to .g...
print call stack in C or C++
...n the file you want to debug. */
#include <stdio.h>
#include <execinfo.h>
void print_trace(void) {
char **strings;
size_t i, size;
enum Constexpr { MAX_SIZE = 1024 };
void *array[MAX_SIZE];
size = backtrace(array, MAX_SIZE);
strings = backtrace_symbols(array, size...