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No Exception while type casting with a null in java
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Write a function that returns the longest palindrome in a given string
I thought of a solution but it runs in O(n^2) time
22 Answers
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How to retrieve the current version of a MySQL database management system (DBMS)?
...--------------------+------------------------------------------+
| Variable_name | Value |
+-------------------------+------------------------------------------+
| protocol_version | 10 |
| version ...
Split a module across several files
...d the module. Add a mod math; in main.rs. If you don't do that, you get an error message from the compiler when importing like this:
error: unresolved import `math::Matrix`. Maybe a missing `extern crate math`?
The hint is misleading here. There's no need for additional crates, except of course y...
How can I mock requests and the response?
...responses.GET, 'http://twitter.com/api/1/foobar',
json={'error': 'not found'}, status=404)
resp = requests.get('http://twitter.com/api/1/foobar')
assert resp.json() == {"error": "not found"}
assert len(responses.calls) == 1
assert responses.calls[0].request.url =...
Is the sizeof(some pointer) always equal to four?
...ntation .
– Gob00st
Nov 3 '12 at 23:05
5
@Eclipse yes there is: char <= short <= int <= ...
#define macro for debug printing in C?
...r macro
else
do_something_useful(x, y);
And the else is now a syntax error. The do { ... } while(0) loop avoids both these problems.
There's one other way of writing the macro which might work:
/* BAD - BAD - BAD */
#define debug_print(...) \
((void)((DEBUG) ? fprintf(stderr, __...
Why would anyone use set instead of unordered_set?
...r<int>> two(){
//unordered_set<vector<int>> s; // error vector<int> doesn't have hash function
unordered_set<vector<int>, VectorHash> s;
s.insert({1, 2});
s.insert({1, 3});
s.insert({1, 2});
for(const auto& vec:s)
cout<&...
Web API Put Request generates an Http 405 Method Not Allowed error
Here's the call to the PUT method on my Web API - the third line in the method (I am calling the Web API from an ASP.NET MVC front end):
...
Get the _id of inserted document in Mongo database in NodeJS
... console.log(result.insertedId);
})
.catch(err => {
// handle error
});
It's the same thing if you use callbacks.
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