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submitting a GET form with query string params and hidden params disappear
...the question mark and the parameters, and then cross one's fingers to hope all browsers would leave that URL as it (and validate that the server understands it too). But I'd never rely on that.
By the way: it's not different for non-hidden form fields. For POST the action URL could hold a query stri...
How to “comment-out” (add comment) in a batch/cmd?
...orrect answer. When using syntax highlighting the REM command does not actually highlight the text as "commented out".
– Automatico
May 29 '14 at 8:42
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How do I perform the SQL Join equivalent in MongoDB?
...rect. The new $lookup operator added to the aggregation pipeline is essentially identical to a left outer join:
https://docs.mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <...
Remove specific characters from a string in Python
...the answers, and it's noted in the documentation for str.translate.
When calling the translate method of a Unicode string, you cannot pass the second parameter that we used above. You also can't pass None as the first parameter. Instead, you pass a translation table (usually a dictionary) as the on...
How do I rename an open file in Emacs?
...-buffer-modified-p nil))))))
Take a look at that page, there's another really useful related function there, called "move-buffer-file".
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Find out which remote branch a local branch is tracking
...
Here is a command that gives you all tracking branches (configured for 'pull'), see:
$ git branch -vv
main aaf02f0 [main/master: ahead 25] Some other commit
* master add0a03 [jdsumsion/master] Some commit
You have to wade through the SHA and any long-...
@OneToMany List vs Set difference
...of addresses, you won't be able to use a single query to load persons with all their contacts and all their addresses. The solution in this case is to make two queries (which avoids the cartesian product), or to use a Set instead of a List for at least one of the collections.
It's often hard to use...
How do I use prepared statements in SQlite in Android?
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I use prepared statements in Android all the time, it's quite simple :
SQLiteDatabase db = dbHelper.getWritableDatabase();
SQLiteStatement stmt = db.compileStatement("INSERT INTO Country (code) VALUES (?)");
stmt.bindString(1, "US");
stmt.executeInsert();
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How to randomize (shuffle) a JavaScript array?
... is superfluous since if i == 0 the while loop will never be entered. The call to Math.floor can be done faster using ...| 0. Either tempi or tempj can be removed and the value be directly assigned to myArray[i] or j as appropriate.
– RobG
Jun 8 '11 at 7:21
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IllegalMonitorStateException on wait() call
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good catch. i assumed he meant Object.wait() and called from a thread
– reccles
Oct 8 '09 at 12:00
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