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Rails auto-assigning id that already exists
I create a new record like so:
5 Answers
5
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Get full path without filename from path that includes filename
... the path, whether it is a file name or directory name (it actually has no idea which).
You could validate first by testing File.Exists() and/or Directory.Exists() on your path first to see if you need to call Path.GetDirectoryName
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How to do an instanceof check with Scala(Test)
... The recommended way to test a pattern match in ScalaTest is to use inside(foo) instead of `foo match). See scalatest.org/user_guide/using_matchers#matchingAPattern
– Rich Dougherty
Aug 24 '17 at 19:37
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Java integer to byte array
... about:
public static final byte[] intToByteArray(int value) {
return new byte[] {
(byte)(value >>> 24),
(byte)(value >>> 16),
(byte)(value >>> 8),
(byte)value};
}
The idea is not mine. I've taken it from some post on ...
org.xml.sax.SAXParseException: Content is not allowed in prolog
...eys - w00te's suggestion: change Document document = documentBuilder.parse(new InputSource(new StringReader(xml))) to Document document = documentBuilder.parse(new InputSource(new ByteArrayInputStream(xml.getBytes("UTF-8"))))
– RealMan
Apr 29 '18 at 6:22
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Free FTP Library [closed]
...ry with correct date time :)))) and its fast! sample code: FtpClient ftp = new FtpClient(txtUsername.Text, txtPassword.Text, txtFTPAddress.Text); FtpListItem[] items = ftp.GetListing();//here you can get list with type, name, modified date and other properties. FtpFile file ...
How do you make a deep copy of an object?
...erialize the object, then deserialize. This ensures everything is a brand new reference.
Here's an article about how to do this efficiently.
Caveats: It's possible for classes to override serialization such that new instances are not created, e.g. for singletons. Also this of course doesn't work...
Should programmers use SSIS, and if so, why? [closed]
...s stregnth is.
The old name (DTS, Data Transformation Services) and the new name (SSIS, Sql Server Integration Services) both make clear it's a service (or set of services) designed to manipulate data to integrate the SQL Server database into larger processes.
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Git: Cannot see new remote branch
A colleague pushed a new remote branch to origin/dev/homepage and I cannot see it when I run:
9 Answers
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Android: show soft keyboard automatically when focus is on an EditText
...tMode.
final AlertDialog dialog = ...;
editText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (hasFocus) {
dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_AL...