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Computed / calculated / virtual / derived columns in PostgreSQL
...s are pretty much useless (without huge code changes to a codebase with no test cases) when migrating from oracle to postgres. Are there any solutions from the migration perspective ?
– happybuddha
Oct 3 '16 at 0:41
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How do I reverse an int array in Java?
...er and more bug-safe to stick with easily available libraries already unit-tested and user-tested when they take care of your problem.
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How can I use mySQL replace() to replace strings in multiple records?
...g with sample string:
UPDATE some_table SET some_field = REPLACE("this is test string", 'test', 'sample')
EG with Column/Field Name:
UPDATE some_table SET some_field = REPLACE(columnName, 'test', 'sample')
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Is there a way to check if a file is in use?
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}
Try it out yourself:
byte[] output1 = Helper.ReadFileBytes(@"c:\temp\test.txt");
string output2 = Helper.ReadFileTextWithEncoding(@"c:\temp\test.txt");
string output3 = Helper.ReadFileTextNoEncoding(@"c:\temp\test.txt");
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How to convert IPython notebooks to PDF and HTML?
...ithout header: How to export an IPython notebook to HTML for a blog post?
Tested in Jupyter 4.4.0.
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Java URL encoding of query string parameters
...Str=uri.toASCIIString(); urlStr.replace("http://","file:///"); I have not tested it, but I think it will work.... :)
– M Abdul Sami
Apr 30 '15 at 20:14
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How do I create 7-Zip archives with .NET?
...ntrast, is well-documented, easy to use, and has many sample usages in its test project. Using the examples, I could quickly compress and decompress using file or memory.
– John Wigger
Dec 27 '10 at 20:43
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Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...er to reuse each library independently from the rest - for example in unit testing.
However, in a loosely coupled application, by moving all the references to the Composition Root, the dependency graph is severely flattened:
As illustrated by the green color, it's now possible to reuse Library C...
Full Screen DialogFragment in Android
...out instead of RelativeLayout. I was targeting the 3.0 Honeycomb api when testing.
public class FragmentDialog extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button button = (Butto...
HTTP authentication logout via PHP
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This does not work as it is explained. Tested in Chrome 40 and Firefox 35.
– funforums
Feb 26 '15 at 15:16
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