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Can you create nested WITH clauses for Common Table Expressions?
...ot strictly nested, you can use common table expressions to reuse previous queries in subsequent ones.
To do this, the form of the statement you are looking for would be
WITH x AS
(
SELECT * FROM MyTable
),
y AS
(
SELECT * FROM x
)
SELECT * FROM y
...
Merge, update, and pull Git branches without using checkouts
...nfiguration file, like this one:
[alias]
sync = !sh -c 'git checkout --quiet HEAD; git fetch upstream master:master; git checkout --quiet -'
What this alias does is the following:
git checkout HEAD: this puts your working copy into a detached-head state. This is useful if you want to update ma...
How to mkdir only if a directory does not already exist?
...amp; and make more sense to those reading it.
– Mike Q
Jun 16 '14 at 17:36
18
@AndreasLarsen This...
Is there a better way to find out if a local git branch exists?
...at branch names can have surprising characters in them, so you may want to quote <branch-name>.
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getViewTypeCount and getItemViewType methods of ArrayAdapter
...urn 0 or 1 or 2 from the getItemViewType() method, like a zero-based array index. And as you have three types of views used,
your getViewTypeCount() method must return 3.
In any case if you return any other integer values like 1, 2, 3 or 111, 222, 333 for this method you definitely might experience...
Getting all types in a namespace via reflection
...o you need to get a list of assemblies first.
string nspace = "...";
var q = from t in Assembly.GetExecutingAssembly().GetTypes()
where t.IsClass && t.Namespace == nspace
select t;
q.ToList().ForEach(t => Console.WriteLine(t.Name));
...
How to change string into QString?
...
If by string you mean std::string you can do it with this method:
QString QString::fromStdString(const std::string & str)
std::string str = "Hello world";
QString qstr = QString::fromStdString(str);
If by string you mean Ascii encoded const char * then you can use this method:
QSt...
Zip lists in Python
...
The question tag states Python 2.7; this is for Python 3. Besides, this answer already mentions this.
– 0 0
May 27 '18 at 14:22
...
How to echo shell commands as they are executed
...Thanks. You'd make my day if you actually found a way to implement my joke question. Preferably with some powerful cli tools and only a few lines of code.
– ADJenks
Sep 10 at 2:38
...
How to check if smtp is working from commandline (Linux) [closed]
I have a SMTP-server, for the purpose of this question lets call it: smtp.mydomain.com.
4 Answers
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