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Why do enum permissions often have 0, 1, 2, 4 values?
...example, i.e.,
var permissions = Permissions.Read | Permissions.Write;
Then...
permissions == 00000011
See? Both the Read and Write bits are set, and I can check that independently (Also notice that the Delete bit is not set and therefore this value does not convey permission to delete).
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Odd behavior when Java converts int to byte?
...tart with the least significant bit, move left until you find the first 1, then invert every bit afterwards. The resulting number is the positive version of that number
For example: 11111111 goes to 00000001 = -1. This is what Java will display as the value.
What you probably want to do is know th...
Can I restore a single table from a full mysql mysqldump file?
...mytable and the next CREATE TABLE corresponding to the next table.
You can then adjust the file mytable.dump which contains the structure of the table mytable, and the data (a list of INSERT).
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Separating class code into a header and cpp file
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Remember that if you are doing template programming, then you have to keep everything in the .h file so that the compiler will instantiate the right code at the moment of compilation.
– linello
Mar 6 '12 at 8:14
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Android ListView headers
...by day, and I would like to have header with date on it for every day, and then events listen below.
5 Answers
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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
... parent-child relationship, saved the parent (which deletes the child) and then tried to also delete the child manually.
– dave thieben
Dec 15 '12 at 20:42
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What is the meaning of “this” in Java?
...tring() {
return "MyThisTest a=" + a; // refers to the field a
}
}
Then calling frobnicate() on new MyThisTest() will print
1
42
MyThisTest a=42
So effectively you use it for multiple things:
clarify that you are talking about a field, when there's also something else with the same na...
Download a file from NodeJS Server using Express
...ght i am still looking for this particular solution, if some link is there then plz help
– 1UC1F3R616
Jun 29 at 18:20
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Python constructors and __init__
...the body of the class is executed in it's own namespace, that namespace is then passed to the metaclass (among with the name and bases). Function definitions then are just creating a function with the specified body and assigning it to it's name. The last assignment to __init__ will be what ends up ...
Access parent URL from iframe
...in 2
But in the child iframe... Domain 2 redirects to Domain 3 (i.e. for authentication, maybe SAML), and then Domain 3 directs back to Domain 2 (i.e. via form submission(), a standard SAML technique)
For the child iframe the document.referrer will be Domain 3, not the containing Domain 1
document...