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Better explanation of when to use Imports/Depends
...nism (which also requires import or importFrom directives in the NAMESPACE file), matters would be improved in two ways. (1) The package would itself gain control over which mgcv function is used. (2) By keeping the main search path clear of the imported objects, it would not even potentially break ...
MySQL - UPDATE query based on SELECT Query
...syntax:
UPDATE tableA a
INNER JOIN tableB b ON a.name_a = b.name_b
SET validation_check = if(start_dts > end_dts, 'VALID', '')
-- where clause can go here
ANSI SQL syntax:
UPDATE tableA SET validation_check =
(SELECT if(start_DTS > end_DTS, 'VALID', '') AS validation_check
FRO...
Android Layout with ListView and Buttons
...<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<Button android:layout_width="fill_parent"
android:layout_height="wrap_content" an...
How to check if a Constraint exists in Sql server?
...E, PRIMARY KEY, FOREIGN KEY, and/or DEFAULT
SELECT
OBJECT_NAME(OBJECT_ID) AS NameofConstraint
,SCHEMA_NAME(schema_id) AS SchemaName
,OBJECT_NAME(parent_object_id) AS TableName
,type_desc AS ConstraintType
FROM sys.objects
WHERE type_desc LIKE '%CONSTRAINT'
...
How to remove item from list in C#?
...ou can use Remove(T item):
var itemToRemove = resultlist.Single(r => r.Id == 2);
resultList.Remove(itemToRemove);
When you are not sure the item really exists you can use SingleOrDefault. SingleOrDefault will return null if there is no item (Single will throw an exception when it can't find th...
querySelector search immediate children
...ves that is not to their liking), is that they check to see if elem has an ID, and if not, they temporarily add an ID, then create a full selector string.
Basically you'd do:
var sel = '> someselector';
var hadId = true;
if( !elem.id ) {
hadID = false;
elem.id = 'some_unique_value';
}
...
Programmatically update widget from activity/service/receiver
...ow it's possible, but I can't figure out a way to trigger an update of my widget from the main activity. Isn't there some general intent I can broadcast?
...
How do I “un-revert” a reverted Git commit?
... Good lord, don't use git add -A ...unless you want to add every file to version control, which is most likely not what you want.
– Kaitain
Jan 29 at 23:37
...
Change directory command in Docker?
...t, or a more complex parameter to the RUN. Here is an example from a Dockerfile I've downloaded to look at previously:
RUN cd /opt && unzip treeio.zip && mv treeio-master treeio && \
rm -f treeio.zip && cd treeio && pip install -r requirements.pip
Becau...
Modifying location.hash without page scrolling
...
Step 1: You need to defuse the node ID, until the hash has been set. This is done by removing the ID off the node while the hash is being set, and then adding it back on.
hash = hash.replace( /^#/, '' );
var node = $( '#' + hash );
if ( node.length ) {
node....