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How to check if a map contains a key in Go?
...ng here
}
Explanation:
if statements in Go can include both a condition and an initialization statement. The example above uses both:
initializes two variables - val will receive either the value of "foo" from the map or a "zero value" (in this case the empty string) and ok will receive a bool ...
Maximum size of an Array in Javascript
Context: I'm building a little site that reads an rss feed, and updates/checks the feed in the background. I have one array to store data to display, and another which stores ID's of records that have been shown.
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Java: How to convert List to Map
...gue about what would be the optimal way to convert List to Map in Java and if there any specific benefits of doing so.
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Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
...ity between systems with different screen resolution.)
Some (incomplete, and unfortunately the links are broken due to migration of SwingLabs to java.net) technical reasons are for instance mentioned in the Rules (hehe) or in the link @bendicott found in his/her comment to my answer. Socially, pos...
How do I update an entity using spring-data-jpa?
...
Identity of entities is defined by their primary keys. Since firstname and lastname are not parts of the primary key, you cannot tell JPA to treat Users with the same firstnames and lastnames as equal if they have different userIds.
So, if you want to update a User identified by its firstname a...
What is the advantage of using Restangular over ngResource?
...rences-with-resource
Anyway, as a sum up, besides the additional features and the promise based approach, the idea is that Restangular can also handle all of your URLs, so that you don't have to know anything about them.
Suppose that you have something like this for cars : /users/123/cars/456
In ...
How does Chrome's “Request Desktop Site” option work?
...ader in the request.
Here are the User-Agent headers sent by Chrome on my Android device:
Mozilla/5.0 (Linux; Android 4.0.4; Galaxy Nexus Build/IMM76K) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like ...
What is the different between 'Auto' and '*' when setting width/height for a grid column?
I cannot distinguish the different between 'Auto' and '*' when setting width/height for a grid column. Please help!
1 Answe...
Show Youtube video source into HTML5 video tag?
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The expiration and fact that it only works in a specific browser makes this solution pretty useless.
– pjv
Nov 5 '11 at 21:04
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Stash only one file out of multiple files that have changed with Git?
...do not stash this hunk or any of the remaining ones
a - stash this hunk and all later hunks in the file
d - do not stash this hunk or any of the later hunks in the file
g - select a hunk to go to
/ - search for a hunk matching the given regex
j - leave this hunk undecided, see next un...