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Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
...ttent problems are notoriously difficult to debug. However, I cannot help more from here other than to tell you that this error is definitely deterministic: It will always be an error for an XML declaration to appear more than once or anywhere other than the top of an XML file. Good luck.
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Does deleting a branch in git remove it from the history?
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@Ken Liu: A commit contains pointers to zero or more parent commits, a tree object and some metadata about the commit. The commit, therefore uniquely identifies both a couple source tree and, when viewed against its parent(s), the changes that it introduced.
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How do I make background-size work in IE?
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Why does this go into an infinite loop?
...done all that much Java development; so for all I know there could be much more idiomatic ways to illustrate this point.
Perhaps if we write out a method to do the equivalent of what x++ does it will make this clearer.
public MutableInt postIncrement(MutableInt x) {
int valueBeforeIncrement ...
Difference between __getattr__ vs __getattribute__
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Preserving order with LINQ
...ntation of distinct for linq to objects that doesn't preserve order and is more efficient that one that does preserve order. For example, you can consume the entire input and put it in a hashset, then yield values by enumerating the hashset (losing order), but that's worse. So yeah, I don't mind de...
How can I apply a border only inside a table?
... doing what I believe you are trying to do, you'll need something a little more like this:
table {
border-collapse: collapse;
}
table td, table th {
border: 1px solid black;
}
table tr:first-child th {
border-top: 0;
}
table tr:last-child td {
border-bottom: 0;
}
table tr td:first-child,
ta...
How to handle a lost KeyStore password in Android?
... have forgotten my Keystore password and I don't really know what to do anymore (I can't or won't give any excuses for it). I want to update my app because I just fixed a bug but it's not possible anymore. What happens if I use the same Keystore but create a new key? Would I still be able to update ...
How do I drop a MongoDB database from the command line?
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Like this:
mongo <dbname> --eval "db.dropDatabase()"
More info on scripting the shell from the command line here: https://docs.mongodb.com/manual/tutorial/write-scripts-for-the-mongo-shell/#scripting
sh...
Verify a method call using Moq
...Verify) the method in the dependency class.
You should be doing something more like this:
class MyClassTest
{
[TestMethod]
public void MyMethodTest()
{
string action = "test";
Mock<SomeClass> mockSomeClass = new Mock<SomeClass>();
mockSomeClass.Setu...