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How to create a new database after initally installing oracle database 11g Express Edition?

I have installed Oracle Database 11g Express Edition on my pc (windows 7) and I have installed Oracle SQL Developer as well. ...
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UTF-8 byte[] to String

... You can see in here the java.nio.charset.Charset.availableCharsets() map all the charsets not just the charsets in the StandardCharsets. And if you want to use some other charset and still want to prevent the String constructor from throwing UnsupportedEncodingException you may use java.nio.charse...
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

...que ID (please let me know if there are more): Before this discussion, recall that the BSON Object ID consists of: [4 bytes seconds since epoch, 3 bytes machine hash, 2 bytes process ID, 3 bytes counter] Here are the three possibilities, so you judge for yourself how likely it is to get a dupe: ...
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Dashed line border around UIView

...t@2x.png and test@3x.png with size of 240x240 and 360x360 which is used in all the apple device automatically with it's related name. (i.e. test.png is use in iPhone 4, test@2x will useful for iPhone 4s, 5, 5s, 6, 6s and twst@3x will useful for iPhone 6 plus, 6s plus. – Paras J...
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Understanding repr( ) function in Python

...gt;>> x 'foo' So the name x is attached to 'foo' string. When you call for example repr(x) the interpreter puts 'foo' instead of x and then calls repr('foo'). >>> repr(x) "'foo'" >>> x.__repr__() "'foo'" repr actually calls a magic method __repr__ of x, which gives the s...
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How to convert a String to its equivalent LINQ Expression Tree?

...nking as a Where clause. If necessary, put it inside a list/array just to call .Where(string) on it! i.e. var people = new List<Person> { person }; int match = people.Where(filter).Any(); If not, writing a parser (using Expression under the hood) isn't hugely taxing - I wrote one similar (a...
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Why do you need explicitly have the “self” argument in a Python method?

... to make things like this explicit rather than based on a rule. Additionally, since nothing is implied or assumed, parts of the implementation are exposed. self.__class__, self.__dict__ and other "internal" structures are available in an obvious way. ...
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Python logging: use milliseconds in time format

...d of a struct_time, then (at least with modern versions of Python) we can call ct.strftime and then we can use %f to format microseconds: import logging import datetime as dt class MyFormatter(logging.Formatter): converter=dt.datetime.fromtimestamp def formatTime(self, record, datefmt=None...
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When should I use GET or POST method? What's the difference between them?

... What I meant was that contents of $_POST is not magically hidden from malicious users. There are obviously security aspects to all thing programming. – troelskn Feb 2 '09 at 22:34 ...
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Inserting a tab character into text using C#

...re than one TextBox are displayed and that alignment must be respected for all TextBox, the ONLY "\t" or vbTab solution will display something that is NOT ALWAYS correctly aligned. Example in VB.Net: Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load TextBox1.Text = ...