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Bootstrap 3 Collapse show state with Chevron icon
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How to calculate percentage with a SQL statement
...nned twice. Also the query will not look that simple if there is more than one table referenced.
– Alex Aza
May 19 '11 at 21:15
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Getting the thread ID from a thread
...rocessThread and Thread, so getting a managed thread by it's Id is a tough one.
For more details on Managed vs Unmanaged threading see this MSDN arcticle.
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Can a CSV file have a comment?
...meta-data about the file as a whole. Adding a whole column or row just for one cell with this info this feels a bit awkward.
– Ben Hershey
Jul 17 '19 at 17:20
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ArrayList initialization equivalent to array initialization [duplicate]
...(Collection<T>) where the collection.toArray() method is called to clone it.
public ArrayList(Collection<? extends E> collection) {
......
Object[] a = collection.toArray();
}
Next the constructor decides whether to adopt the cloned array, or copy it again to remove the subclass t...
Disable ScrollView Programmatically?
...ent method to return false when some condition is matched.
The Gallery component scrolls horizontally regardless of whether it is in a ScrollView or not - a ScrollView provides only vertical scrolling (you need a HorizontalScrollView for horizontal scrolling)
You seem to say you have a problem with ...
Entity Framework. Delete all rows in table
...ss since EF will cache all the data same way as SQL server. Don't use this one if your table contains serious amount of data.
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Set Locale programmatically
... activity and update the configuration's locale in case a fresh new locale one is created.
Sample code:
@Override
public void applyOverrideConfiguration(Configuration overrideConfiguration) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && Build.VERSION.SDK_INT <= B...
Liquibase lock - reasons?
...e scripts will not run because they expect the lock to exist. If you have done this already you can add an empty lock to fix the issue INSERT INTO yourdb.DATABASECHANGELOGLOCK VALUES (1, 0, null, null);
– Rudi Kershaw
Nov 28 '17 at 11:39
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Comparing two dataframes and getting the differences
...u right, you want not to find changes, but symmetric difference. For that, one approach might be concatenate dataframes:
>>> df = pd.concat([df1, df2])
>>> df = df.reset_index(drop=True)
group by
>>> df_gpby = df.groupby(list(df.columns))
get index of unique records...