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Simpler way to put PDB breakpoints in Python code?
... a breakpoint (I'd rather not import pdb at the top of the file as I might forget and leave it in).
13 Answers
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Show MySQL host via SQL Command
...hostname;
show variables where Variable_name like '%host%';
To get hosts for all incoming requests :-
select host from information_schema.processlist;
Based on your last comment,
I don't think you can resolve IP for the hostname using pure mysql function,
as it require a network lookup, which c...
Rails Console: reload! not reflecting changes in model files? What could be possible reason?
...
Are you reloading the object from the database?
For example:
>> a = User.last
=> #<User id: 16, email: "asdfadsf@sdfdsf.com">
>> reload!
Reloading...
=> true
'a' won't reflect any changes to your model until you reload it from the db.
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Getting result of dynamic SQL into a variable for sql-server
... You beat me to it, need to declare a variable, and mark it as an OUTPUT. For more info, and a recommended read for SQL Server dynamic SQL, see The curse and blessings of dynamic SQL
– OMG Ponies
Oct 1 '10 at 15:46
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How to use LocalBroadcastManager?
...n case someone needs it.
ReceiverActivity.java
An activity that watches for notifications for the event named "custom-event-name".
@Override
public void onCreate(Bundle savedInstanceState) {
...
// Register to receive messages.
// We are registering an observer (mMessageReceiver) to rece...
How do I put a clear button inside my HTML text input box like the iPhone does?
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@thebluefox has summarized the most of all. You're only also forced to use JavaScript to make that button to work anyway. Here's an SSCCE, you can copy'n'paste'n'run it:
<!DOCTYPE html>
<html lang="en">
<head>
<title>SO question 2803532</title>...
Member initialization while using delegated constructor
... members (i.e. including the lines member in your example). You can't therefore initialize any of the members again.
The relevant quote from the Standard is (emphasis mine):
(§12.6.2/6) A mem-initializer-list can delegate to another constructor of the constructor’s class using any class-or-d...
Fill SVG path element with a background-image
Is it possible to set a background-image for an SVG <path> element?
1 Answer
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Android gradle: buildtoolsVersion vs compileSdkVersion
...nce between buildtoolsVersion vs compileSdkVersion in the build.gradle for an Android project?
2 Answers
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Create table in SQLite only if it doesn't exist already
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This works for indices, too: CREATE UNIQUE INDEX IF NOT EXISTS some_index ON some_table(some_column, another_column);
– Michael Scheper
Oct 22 '18 at 18:36
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