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Why doesn't Dijkstra's algorithm work for negative weight edges?
...int on positive numbers - the above assumption is not true.
Since we do "know" each vertex which was "closed" is minimal - we can safely do the relaxation step - without "looking back". If we do need to "look back" - Bellman-Ford offers a recursive-like (DP) solution of doing so.
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Use Visual Studio web.config transform for debugging [duplicate]
...et-web-projects-web-debug-config-web-release-config/.
Here is the summary.
Now let’s see how we can enable what the question asker wants to do.
To recap, when he builds on a particular configuration he wants a specific transform to be applied to web.config. So obviously you do not want to maintain...
Hosting Git Repository in Windows
... is but looks like /usr/bin is a link to whats in /bin which windows wont know about... Also kinda obvious, but remember to create the folder /git in c:/cygwin/
– armyofda12mnkeys
Jan 10 '13 at 12:50
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How to exit an if clause
...hemient: Ah, didn't notice the link. Figured it was code highlighting. But now that I look at your code, I don't see any real highlighting going on..
– Roman
Jan 15 '10 at 5:55
1
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How do pointer to pointers work in C?
...characters, but also to other pointers. E.g.:
const char **cp = &c;
Now cp points to c, that is, it contains the address of c (which is 58). We can go even further. Consider:
const char ***cpp = &cp;
Now cpp stores the address of cp. So it has value 55 (based on the example above), and...
How to install plugins to Sublime Text 2 editor?
...me, type in install and press enter, then search for emmet.
EDIT: You can now also press Ctrl + Shift + P right away and use the command 'Install Package Control' instead of following the install instructions. (Tested on Build 3126)
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How to set a JavaScript breakpoint from code in Chrome?
...rs to be Chrome only at this time, but that's my primary platform anyways. Now I just need to remember to stop calling my global debugging flag "debug"...
– brichins
Sep 23 '16 at 21:48
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Error-Handling in Swift-Language
...ry? summonDefaultDragon() else { ... }
Finally, you can decide that you know that error will not actually occur (e.g. because you have already checked are prerequisites) and use try! keyword:
let dragon = try! summonDefaultDragon()
If the function actually throws an error, then you'll get a run...
How to set a JVM TimeZone Properly
...perations be explicit about which time zone you want, and you will always know what you get independently of the JVM setting. Example:
System.out.println(ZonedDateTime.now(ZoneId.of("Asia/Dushanbe")));
Example output:
2018-10-11T14:59:16.742020+05:00[Asia/Dushanbe]
System.setProperty
F...
how to use python to execute a curl command
....post(url, files=files)
print r.text, print r.json
ahh thanks @LukasGraf now i better understand what his original code is doing
import requests,json
url = "https://www.googleapis.com/qpxExpress/v1/trips/search?key=mykeyhere"
my_json_data = json.load(open("request.json"))
req = requests.post(url,...