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Is the creation of Java class files deterministic?
...nces? Is a difference only possibly in theory or does Oracle's javac actually produce different class files for the same input and compiler options?
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Inserting data into a temporary table
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To insert all data from all columns, just use this:
SELECT * INTO #TempTable
FROM OriginalTable
Don't forget to DROP the temporary table after you have finished with it and before you try creating it again:
DROP TABLE #TempTable
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Can I change multiplier property for NSLayoutConstraint?
...them, since "Activating or deactivating the constraint calls addConstraint(_:) and removeConstraint(_:) on the view that is the closest common ancestor of the items managed by this constraint".
– qix
Jan 4 '17 at 5:26
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Setting HttpContext.Current.Session in a unit test
...g to unit test. In the service it pulls several values from the HttpContext like so:
14 Answers
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How to get nice formatting in the Rails console
...he y method is a handy way to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y method to work:
YAML::ENGINE.yamler = 'syck'
From rub...
Java: Class.this
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LocalScreen.this refers to this of the enclosing class.
This example should explain it:
public class LocalScreen {
public void method() {
new Runnable() {
public void run() {
// Prints "An anonymous Runnable"
System.o...
Linq list of lists to single list
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Use SelectMany
var all = residences.SelectMany(x => x.AppForm_Residences);
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How to safely call an async method in C# without await
...it completes, then you can do this:
public string GetStringData()
{
var _ = MyAsyncMethod();
return "hello world";
}
BTW, this is not a "common problem". It's very rare to want to execute some code and not care whether it completes and not care whether it completes successfully.
Update:
Sin...
Best Practice: Software Versioning [closed]
...e so that you know about with version one is talking about (e.g. for bug fixing, support, and so on).
12 Answers
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Convert pandas dataframe to NumPy array
...p.nan)
# array([ 1., 2., nan])
This is called out in the docs.
If you need the dtypes...
As shown in another answer, DataFrame.to_records is a good way to do this.
df.to_records()
# rec.array([('a', -1, 4), ('b', 2, 5), ('c', 3, 6)],
# dtype=[('index',...