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Rails 3: Get Random Record
...ect_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+-------+------+---------------+------+---------+------+--------+---------------------------------+
| 1 | SIMPLE | users | ALL | NULL | NULL | NULL | NUL...
Pointer arithmetic for void pointer in C
When a pointer to a particular type (say int , char , float , ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of ...
Can I use a binary literal in C or C++?
...etbase will only honour bases 8, 10 and 16), but you can use either a std::string version of itoa, or (the more concise, yet marginally less efficient) std::bitset.
#include <boost/utility/binary.hpp>
#include <stdio.h>
#include <stdlib.h>
#include <bitset>
#include <iost...
Ruby, remove last N characters from a string?
What is the preferred way of removing the last n characters from a string?
13 Answers
...
Clearing intent
...
doesn't the removeExtra() method take a String parameter ? like this getIntent().removeExtra("String");
– tony9099
Oct 17 '13 at 9:16
25
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How to remove unused C/C++ symbols with GCC and ld?
...ting problem, so you'll probably need to err on the side of including some extra symbols at times. Which basically is what Ira says in his comments to the question. (BTW: "not necessary to the correct operation of the program" is a different definition of "unused" than how that term is used in the...
Adding gif image in an ImageView in android
... readBlock();
String app = "";
for (int i = 0; i < 11; i++) {
app += (char) block[i];
}
...
How to rename items in values() in Django?
...
It's a bit hacky, but you could use the extra method:
MyModel.objects.extra(
select={
'renamed_value': 'cryptic_value_name'
}
).values(
'renamed_value'
)
This basically does SELECT cryptic_value_name AS renamed_value in the SQL.
Another option, if you al...
Why does ContentResolver.requestSync not trigger a sync?
...sync contacts using a com.google style account.
All your contentAuthority strings have to all match, and match with what you're syncing -- This should be a string you define, if you're creating your own database, or you should use some existing device strings if you're syncing known data types (lik...
MYSQL Truncated incorrect DOUBLE value
...
Yes..i too had a similar experience while trying to use a string literal in 'where' clause without the using quotes.
– pranay
Feb 16 '19 at 18:02
1
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