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How to export all data from table to an insertable sql format?
I have a Table (call it A_table ) in a database (call it A_db ) in Microsoft SQL Server Management Studio, and there are 10 rows.
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How to convert ‘false’ to 0 and ‘true’ to 1 in Python
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Use int() on a boolean test:
x = int(x == 'true')
int() turns the boolean into 1 or 0. Note that any value not equal to 'true' will result in 0 being returned.
s...
Catching error codes in a shell pipe
...eally don't want the second command to proceed until the first is known to be successful, then you probably need to use temporary files. The simple version of that is:
tmp=${TMPDIR:-/tmp}/mine.$$
if ./a > $tmp.1
then
if ./b <$tmp.1 >$tmp.2
then
if ./c <$tmp.2
th...
How can you use optional parameters in C#?
... was asked at a time when C# did not yet support optional parameters (i.e. before C# 4).
23 Answers
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Logical Operators, || or OR?
I remember reading a while back in regards to logical operators that in the case of OR , using || was better than or (or vice versa).
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How to move files from one git repo to another (not a clone), preserving history
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Yep, hitting on the --subdirectory-filter of filter-branch was key. The fact that you used it essentially proves there's no easier way - you had no choice but to rewrite history, since you wanted to end up with only a (renamed) subset of the files, ...
onSaveInstanceState () and onRestoreInstanceState ()
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Usually you restore your state in onCreate(). It is possible to restore it in onRestoreInstanceState() as well, but not very common. (onRestoreInstanceState() is called after onStart(), whereas onCreate() is called before onStart().
Use the put methods to store values in onSaveIns...
Algorithm to generate all possible permutations of a list?
Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]].
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How to redirect cin and cout to files?
...ut.txt
}
}
int main()
{
std::ifstream in("in.txt");
std::streambuf *cinbuf = std::cin.rdbuf(); //save old buf
std::cin.rdbuf(in.rdbuf()); //redirect std::cin to in.txt!
std::ofstream out("out.txt");
std::streambuf *coutbuf = std::cout.rdbuf(); //save old buf
std::cout.rd...
Bootstrap right Column on top on mobile view
I have a Bootstrap Page like this:
11 Answers
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