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How can I grep hidden files?
...e with this output format:
File path:Line number:line with coincidence
./foo/bar:42:search line
./foo/.bar:42:search line
./.foo/bar:42:search line
./.foo/.bar:42:search line
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PostgreSQL - how to quickly drop a user with existing privileges
...
Doing: CREATE TABLE foo(bar SERIAL); ALTER TABLE foo OWNER TO postgres; CREATE USER testuser; GRANT ALL ON foo TO testuser; DROP USER testuser gave the error messages: ERROR: role "testuser" cannot be dropped because some objects depend on it...
How do I concatenate const/literal strings in C?
...d allows you to chain the calls into one line of code:
strcat(strcat(str, foo), bar);
So your problem could be solved as follows:
char *foo = "foo";
char *bar = "bar";
char str[80];
strcpy(str, "TEXT ");
strcat(str, foo);
strcat(str, bar);
...
How do you push just a single Git branch (and no other branches)?
... Thanks, current was what I was looking for, by default git push in the foo branch will push it to the origin/foo branch.
– Dorian
Feb 25 '14 at 14:51
...
What does tree-ish mean in Git?
...irectories as "trees" and "tree objects").
In the original poster's case, foo is a directory that he wants to
specify. The correct way to specify a (sub)directory in Git is to use this
"tree-ish" syntax (item #15 from the Git revisions documentation):
<rev>:<path>, e.g. HEAD:README,...
How can I reset or revert a file to a specific revision?
...
git checkout -- foo
That will reset foo to HEAD. You can also:
git checkout HEAD^ foo
for one revision back, etc.
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API pagination best practices
...ut have you considered paginating with a timestamp field?
When you query /foos you get 100 results. Your API should then return something like this (assuming JSON, but if it needs XML the same principles can be followed):
{
"data" : [
{ data item 1 with all relevant fields },
...
How do I reverse a C++ vector?
...tems along for every insertion.) So as opposed to:
std::vector<int> foo;
int nextItem;
while (getNext(nextItem)) {
foo.push_back(nextItem);
}
std::reverse(foo.begin(), foo.end());
You can instead do:
std::deque<int> foo;
int nextItem;
while (getNext(nextItem)) {
foo.push_fron...
How to avoid isset() and empty()
...uation there are different ways to do that:
Function arguments:
function foo ($bar, $baz = null) { ... }
There's no need to check whether $bar or $baz are set inside the function because you just set them, all you need to worry about is if their value evaluates to true or false (or whatever else...
Best way to extract a subvector from a vector?
...
std::vector<T>(input_iterator, input_iterator), in your case foo = std::vector<T>(myVec.begin () + 100000, myVec.begin () + 150000);, see for example here
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