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Most efficient way to concatenate strings?
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The StringBuilder.Append() method is much better than using the + operator. But I've found that, when executing 1000 concatenations or less, String.Join() is even more efficient than StringBuilder.
StringBuilder sb = new StringBuilder();
sb.Append(someString);
The only problem with String.Joi...
Set width of TextView in terms of characters
Really looking for an answer to this .
3 Answers
3
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Undo a merge by pull request?
...pull request? I was just going to revert the changes to the commit just before the merge, but I noticed that it merged in a bunch of commits. So now there are all these commits from this person from days before the merge. How do you undo this?
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mongodb count num of distinct values per field/key
Is there a query for calculating how many distinct values a field contains in DB.
5 Answers
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How to override equals method in Java
...ow", 4));
people.add(new Person("Subash Adhikari", 28));
for (int i = 0; i < people.size() - 1; i++) {
for (int y = i + 1; y <= people.size() - 1; y++) {
boolean check = people.get(i).equals(people.get(y));
System.out.println("-- " ...
Get “Internal error in the expression evaluator” on “Add watch” function when trying to debug WCF se
Few days ago I moved my solution to MSVS 2013. It works fine except one thing: when I trying to debug code of my WCF service it works, but when I want to watch state of any variable it says: "Internal error in the expression evaluator". Add watch function works normal on client side, but in service...
Deprecated ManagedQuery() issue
...ery and LoaderManager (you'll need to use the compatibility package to support devices before API version 11).
However, it looks like you're only using the query one time: you probably don't even need that. Maybe this would work?
public String getRealPathFromURI(Uri contentUri) {
String res = ...
Reading a binary file with python
...e with Python. Can you give me a hand?
I need to read this file, which in Fortran 90 is easily read by
6 Answers
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C++ equivalent of java's instanceof
...e
v->doSomething();
}
This requires your compiler to have rtti support enabled.
EDIT:
I've had some good comments on this answer!
Every time you need to use a dynamic_cast (or instanceof) you'd better ask yourself whether it's a necessary thing. It's generally a sign of poor design.
Typi...
Git rebase merge conflict cannot continue
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This helped me when my 'git pull --rebase origin master" appeared to get stuck in a loop between needing to resolve conflicts and skip. After a bit more patience, I am fixed, ty!
– AnneTheAgile
Nov 20 '15 at 14:54
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