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How can I do test setup using the testing package in Go
...ion for several testing use cases. TestMain
provides a global hook to perform setup and shutdown, control the
testing environment, run different code in a child process, or check
for resources leaked by test code. Most packages will not need a
TestMain, but it is a welcome addition for those...
Semaphore vs. Monitors - what's the difference?
...monitor object will enforce mutual exclusion, so only one thread may be performing any action on the object at a given time. If one thread is currently executing a member function of the object then any other thread that tries to call a member function of that object will have to wait until the firs...
“Server” vs “Data Source” in connection string
...My favorite set up is one that doesn't contain any spaces. In the simplest form, one has to provide four values - the URL, the container, the user and the credential.
server
database
uid
pwd
So a connection string looks like this.
server=stuffy.databases.net;database=stuffy;uid=konrad;pwd=Ab...
How to Deal with Temporary NSManagedObject instances?
... @quellish Agreed. Apple has stated in their recent core data performance talks at WWDC that creating contexts is very lightweight.
– Jesse
Dec 4 '14 at 1:01
...
Two statements next to curly brace in an equation
...is what you are looking for http://en.wikipedia.org/wiki/Help:Displaying_a_formula#Continuation_and_cases
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Named routes _path vs _url
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
How to reverse a singly linked list using only two pointers?
...ks like your code is on the right track, but it's not quite working in the form above. Here's a working version:
#include <stdio.h>
typedef struct Node {
char data;
struct Node* next;
} Node;
void print_list(Node* root) {
while (root) {
printf("%c ", root->data);
root = ro...
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
How can I convert a DataFrame column of strings (in dd/mm/yyyy format) to datetimes?
4 Answers
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What's wrong with Groovy multi-line String?
... Right, I've edited the answer to show how you would need to slightly reformat the code to make stripIndent() work.
– sschuberth
Jul 25 '17 at 11:18
2
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What is the Java ?: operator called and what does it do?
...
Yes, it is a shorthand form of
int count;
if (isHere)
count = getHereCount(index);
else
count = getAwayCount(index);
It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternar...