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NoSql Crash Course/Tutorial [closed]
...oc.objType == "users") {
if (doc.age > 10) {
emit(doc._id, null)
}
}
}
That's all there really is to it.....it gets way more complex from there on the server end, as the server has to handle crashes, and multiple revisions of the same object, but this is just an exa...
How can I detect when an Android application is running in the emulator?
...NGERPRINT.startsWith("unknown")
|| Build.MODEL.contains("google_sdk")
|| Build.MODEL.contains("Emulator")
|| Build.MODEL.contains("Android SDK built for x86")
|| Build.BOARD == "QC_Reference_Phone" //bluestacks
|| Build.MANUFACTURER.contain...
Execute bash script from URL
... aware that you can't pass command line arguments to your script. bash will_not_work foobar <(curl -s http://example.com/myscript.sh) If you own the script you can use environment variables instead like so: MYFLAG1=will_work bash MYFLAG2=foobar <(curl -s http://example.com/myscript.sh) and it ...
Assign null to a SqlParameter
... for the ?: operator that explains the problem
Either the type of first_expression and second_expression must be the same, or an implicit conversion must exist from one type to the other.
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Objective-C: difference between id and void *
...tructures, this can be a critical difference. Declaring iVars like void *_superPrivateDoNotTouch; will cause premature reaping of objects if _superPrivateDoNotTouch is actually an object. Don't do that.
attempting to invoke a method on a reference of void * type will barf up a compiler warning.
a...
Having a UITextField in a UITableViewCell
...ontents of the UITextField on the editingDidEnd event, set it up like so: [_field addTarget:self action:@selector(editingEnded:) forControlEvents:UIControlEventEditingDidEnd];.
– Corey Larson
Jul 19 '11 at 0:57
...
jQuery to loop through elements with the same class
...length to get length of that elements ul li?
– techie_28
Sep 21 '12 at 6:09
17
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...'s what I did:
Tables:
for tbl in `psql -qAt -c "select tablename from pg_tables where schemaname = 'public';" YOUR_DB` ; do psql -c "alter table \"$tbl\" owner to NEW_OWNER" YOUR_DB ; done
Sequences:
for tbl in `psql -qAt -c "select sequence_name from information_schema.sequences where sequen...
Referencing another schema in Mongoose
...you make your query, you can populate references like this:
Post.findOne({_id: 123})
.populate('postedBy')
.exec(function(err, post) {
// do stuff with post
});
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How to get an MD5 checksum in PowerShell
...d($file)
$buf = New-Object byte[] (1024*1024*8) # 8 MB buffer
while (($read_len = $fd.Read($buf,0,$buf.length)) -eq $buf.length){
$total += $buf.length
$md5.TransformBlock($buf,$offset,$buf.length,$buf,$offset)
Write-Progress -Activity "Hashing File" `
-Status $file -percentComple...