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Java synchronized method lock on object, or method?
If I have 2 synchronized methods in the same class, but each accessing different variables, can 2 threads access those 2 methods at the same time? Does the lock occur on the object, or does it get as specific as the variables inside the synchronized method?
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Prevent form redirect OR refresh on submit?
I've searched through a bunch of pages, but can't find my problem, so I had to make a post.
6 Answers
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Retrieve database or any other file from the Internal Storage using run-as
On a non-rooted android device, I can navigate to the data folder containing the database using the run-as command with my package name. Most files types I am content with just viewing, but with the database I would like to pull if from the android device.
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How to enable NSZombie in Xcode?
I have an app that is crashing with no error tracing. I can see part of what is going on if I debug, but can't figure out which object is "zombie-ing".
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Geometric Mean: is there a built-in?
I tried to find a built-in for geometric mean but couldn't.
9 Answers
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How do I commit only some files?
I have two projects. One is the "official" project and the second is a light modification (some files added). I created new branch and I put new files to them. But in during development some files common to both branches is changed.
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Physical vs. logical / soft delete of database record?
What is the advantage of doing a logical/soft delete of a record (i.e. setting a flag stating that the record is deleted) as opposed to actually or physically deleting the record?
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Create a hexadecimal colour based on a string with JavaScript
I want to create a function that will accept any old string (will usually be a single word) and from that somehow generate a hexadecimal value between #000000 and #FFFFFF , so I can use it as a colour for a HTML element.
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Is there a RegExp.escape function in Javascript?
...be used for syntax in future regular expression flavors.
For the truly sanitation-keen, consider this edge case:
var s = '';
new RegExp('(choice1|choice2|' + regExpEscape(s) + ')');
This should compile fine in JavaScript, but will not in some other flavors. If intending to pass to another flav...
“PKIX path building failed” and “unable to find valid certification path to requested target”
I'm trying to get tweets using twitter4j library for my java project. On my first run I got an error about certificate sun.security.validator.ValidatorException and sun.security.provider.certpath.SunCertPathBuilderException . Then I added twitter certificate by:
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