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Object of custom type as dictionary key
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edited Apr 18 '17 at 4:13
The Red Pea
10.2k1010 go...
How to find all duplicate from a List? [duplicate]
I have a List<string> which has some words duplicated. I need to find all words which are duplicates.
9 Answers
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Difference between filter and filter_by in SQLAlchemy
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filter_by is used for simple queries on the column names using regular kwargs, like
db.users.filter_by(name='Joe')
The same can be accomplished with filter, not using kwargs, but instead using the '==' equality operator, which has be...
Insert new column into table in sqlite?
... {tableName} RENAME TO TempOldTable;
Then create the new table with the missing column:
CREATE TABLE {tableName} (name TEXT, COLNew {type} DEFAULT {defaultValue}, qty INTEGER, rate REAL);
And populate it with the old data:
INSERT INTO {tableName} (name, qty, rate) SELECT name, qty, rate FROM T...
How to check if element has any children in Javascript?
...etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a child
}
That relies on the children property, which wasn't defined in DOM1, D...
Prevent the keyboard from displaying on activity start
I have an activity with an Edit Text input. When the activity is initialized, the Android keyboard is shown. How can the keyboard remain hidden until the user focuses the input?
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Pure JavaScript Send POST Data Without a Form
Is there a way to send data using the POST method without a form and without refreshing the page using only pure JavaScript (not jQuery $.post() )? Maybe httprequest or something else (just can't find it now)?
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Difference between CLOB and BLOB from DB2 and Oracle Perspective?
... 2 147 483 647
Maximum length of BLOB (in bytes) 2 147 483 647
There is also the DBCLOBs, for double byte characters.
References:
LOB definition in DB2: http://pic.dhe.ibm.com/infocenter/db2luw/v10r5/topic/com.ibm.db2.luw.sql.ref.doc/doc/r0008473.html
SQL and XML limits: http://pic.dhe.ibm....
How to use OrderBy with findAll in Spring Data
...udentDAO extends JpaRepository<StudentEntity, Integer> {
public List<StudentEntity> findAllByOrderByIdAsc();
}
The code above should work. I'm using something similar:
public List<Pilot> findTop10ByOrderByLevelDesc();
It returns 10 rows with the highest level.
IMPORTANT:
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The Following Module was built either with optimizations enabled or without debug information
I cannot get rid of this in my VS 2008 web project when debugging. I've checked that it's in debug mode on the non-web project in question and it's in Active(Debug). Deleted all items in my .NET 2.0 temp folder in Windows. Not sure what else to do here.
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