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What is the default access modifier in Java? [duplicate]
... as with top-level classes, and with the same meaning.
Full story you can read here (Which I wrote recently):
http://codeinventions.blogspot.com/2014/09/default-access-modifier-in-java-or-no.html
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How to convert a JSON string to a Map with Jackson JSON
...t;String,Object>>() {};
HashMap<String,Object> o = mapper.readValue(from, typeRef);
System.out.println("Got " + o);
}
It's reading from a file, but mapper.readValue() will also accept an InputStream and you can obtain an InputStream from a string by using the following:
ne...
How to delete all Annotations on a MKMapView
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You do not need to save any reference to user location. Read my answer below for more info.
– Aviel Gross
Apr 15 '14 at 19:55
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Get current date in milliseconds
...is:
CFAbsoluteTime timeInSeconds = CFAbsoluteTimeGetCurrent();
You can read more about this method here. You can also create a NSDate object and get time by calling timeIntervalSince1970 which returns the seconds since 1/1/1970:
NSTimeInterval timeInSeconds = [[NSDate date] timeIntervalSince197...
How do I make a branch point at a specific commit? [duplicate]
...t>
I go with Mark Longair's solution and comments and recommend anyone reads those before acting, but I'd suggest the emphasis should be on
git branch -f <branchname> <commit>
Here is a scenario where I have needed to do this.
Scenario
Develop on the wrong branch and hence need...
Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc
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setting the tomcat directory to read-only will cause this exception
– svarog
Nov 18 '17 at 20:25
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How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]
... Nice short solution but a couple typos marred it. This line should read: FROM (SELECT country_name , ROW_NUMBER () OVER (ORDER BY country_name ) rn,
– Stew S
Jan 26 '09 at 21:26
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Is C++ context-free or context-sensitive?
... (Grammar symbols may be either terminals or non-terminals).
This can be read as A &rightarrow; γ only in the context [α, β]. In a context-free (Type 2) grammar, α and β must be empty.
It turns out that you can also restrict grammars with the "monotonic" restriction, where every producti...
Bash script and /bin/bash^M: bad interpreter: No such file or directory [duplicate]
...our Unix env using vi and test.
Unix uses different line endings so can't read the file you created on Windows. Hence it is seeing ^M as an illegal character.
If you want to write a file on Windows and then port over, make sure your editor is set to create files in UNIX format.
In notepad++ in th...
Git error on commit after merge - fatal: cannot do a partial commit during a merge
... The -i flag is used mostly for when you are concluding a merge. You could read more about the commit flags here.
– MikaelHalen
Jan 7 '14 at 8:04
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