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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
...u have city1 attached to two different context which is what the exception complains about.
You can fix this by creating a context outside of the service classes and injecting and using it in both services:
EmployeeService es = new EmployeeService(context);
CityService cs = new CityService(context...
What does ^M character mean in Vim?
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Unix uses 0xA for a newline character. Windows uses a combination of two characters: 0xD 0xA. 0xD is the carriage return character. ^M happens to be the way vim displays 0xD (0x0D = 13, M is the 13th letter in the English alphabet).
You can remove all the ^M characters by runni...
Accessing JPEG EXIF rotation data in JavaScript on the client side
...IF don't have any standard format to store image orientation stackoverflow.com/questions/9542359/…
– Ali
Oct 26 '16 at 13:28
2
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...archives/27-benchmarking-misconceptions-microtime-vs-getrusage.html
http://www.unix.com/hp-ux/38937-getrusage.html
Update: for OS X, clock_gettime has been implemented as of 10.12 (Sierra). Also, both POSIX and BSD based platforms (like OS X) share the rusage.ru_utime struct field.
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Can you do a partial checkout with Subversion?
...sub folders by using --set-depth command.
svn update --set-depth=exclude www
See: http://blogs.collab.net/subversion/sparse-directories-now-with-exclusion
The set-depth command support multipile paths.
Updating the root local copy will not change the depth of the modified folder.
To restore t...
Origin null is not allowed by Access-Control-Allow-Origin
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@CiaranG I ran python -m SimpleHTTPServer from a command line and then went to localhost:8000, worked for me. Python comes preinstalled with Mac OS X; you may need to install if using another OS.
– Dave Liepmann
Jul 25 '13 at 22:11
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Do I need a content-type header for HTTP GET requests?
... decide which content type to send back.
They're optional though.
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.1
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What is the purpose of `text=auto` in `.gitattributes` file?
...nverted in your working directory. Full info on the issue us here:
https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
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Round a double to 2 decimal places [duplicate]
...199.1231231235 == 999199.1231231236 // true
1.03 - 0.41 // 0.6200000000000001
For exactness, you want to use BigDecimal. And while at it, use the constructor that takes a String, never the one taking double. For instance, try executing this:
System.out.println(new BigDecimal(1.03).subtract(new Bi...
Java Singleton and Synchronization
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mfb
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answered Jun 23 '12 at 1:01
JeffreyJeffrey
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