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Does MongoDB's $in clause guarantee order
...your documents with an array that is going to be passed in to the $in as [ 4, 2, 8 ].
Approach using Aggregate
var list = [ 4, 2, 8 ];
db.collection.aggregate([
// Match the selected documents by "_id"
{ "$match": {
"_id": { "$in": [ 4, 2, 8 ] },
},
// Project a "wei...
How to read a file line-by-line into a list?
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SilentGhostSilentGhost
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Upgrade python in a virtualenv
...marianobianchi
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15
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How to configure postgresql for the first time?
...ely satisfying to me. Here's what worked for postgresql-9.1 on Xubuntu 12.04.1 LTS.
Connect to the default database with user postgres:
sudo -u postgres psql template1
Set the password for user postgres, then exit psql (Ctrl-D):
ALTER USER postgres with encrypted password 'xxxxxxx';
Edit...
How to exit from Python without traceback?
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edited Jun 30 '12 at 19:48
martineau
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ans...
Java - get pixel array from image
...ght][width];
if (hasAlphaChannel) {
final int pixelLength = 4;
for (int pixel = 0, row = 0, col = 0; pixel + 3 < pixels.length; pixel += pixelLength) {
int argb = 0;
argb += (((int) pixels[pixel] & 0xff) << 24); // alpha
argb +...
How to get relative path from absolute path
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edited Jun 7 '19 at 10:54
Ramon Smits
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answered ...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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Michael Myers♦Michael Myers
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Code Wrap IntelliJ?
...cters in the file, it only wraps what you see on screen.
Intellij >= 14.1.4: As pointed out by looper in the comments, the options are under File > Settings > Editor > General - under the Virtual Space or Soft Wraps sub-group.
Intellij < 14.1.4: Look under File > Settings > E...
Eliminate extra separators below UITableView
When I set up a table view with 4 rows, there are still extra separators lines (or extra blank cells) below the filled rows.
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