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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...he view to vanish from the screen, since autolayout still takes place, and now there are no constraints to tell us where to put the view. So in addition to removing the constraints, I set the view's translatesAutoresizingMaskIntoConstraints to YES. The view now works in the old way, effectively unaf...
Delete column from SQLite table
...wing query:
CREATE TABLE table_name (Column_1 TEXT,Column_2 TEXT);
=>Now insert the data into table_name from existing_table with the following query:
INSERT INTO table_name (Column_1,Column_2) FROM existing_table;
=>Now drop the existing_table by following query:
DROP TABLE existing_ta...
How to detect when WIFI Connection has been established in Android?
... What should I listen for and what additional tests do I need to make to know that a valid connection exists.
13 Answers
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Is gcc 4.8 or earlier buggy about regular expressions?
...the implementation.
Most parts of the library were more complete and are now almost fully implemented, but <regex> hadn't been, so it stayed in the same unfinished state since it was added.
Seriously though, who though that shipping an implementation of regex_search that only does "retur...
Java, List only subdirectories from a directory, not files
...ry() && path.toString().contains("test")
or by date:
final long now = System.currentTimeMillis();
final long yesterday = new Date(now - 24 * 60 * 60 * 1000L).getTime();
// modified in the last 24 hours
(path, attributes) -> attributes.isDirectory() && attributes.lastModifiedTi...
How to set auto increment primary key in PostgreSQL?
...plog_adfarm_seq'),
'Will the smart cookies catch the crumb? Find out now!'
);
Step 4, observe the rows
el@defiant ~ $ psql -U pgadmin -d kurz_prod -c "select * from splog_adfarm"
splog_key | splog_value
----------+--------------------...
What does auto&& tell us?
...fact that it was originally either an lvalue or an rvalue, your code says: Now that I've got your object from either an lvalue or rvalue expression, I want to preserve whichever valueness it originally had so I can use it most efficiently - this might invalidate it. As in:
auto&& var = some...
Using R to download zipped data file, extract, and import data
... See help(gzfile) -- I was thinking that the gzip protocol may now uncompress (stone old) .z files too now that the patent has long expired. It may not. Who uses .z anyways? The 1980s called, they want their compression back ;-)
– Dirk Eddelbuettel
...
How to create a directory if it doesn't exist using Node.js?
...hrow err;
});
NOTE: You'll need to import the built-in fs module first.
Now here's a little more robust example that leverages native ES Modules (with flag enabled and .mjs extension), handles non-root paths, and accounts for full pathnames:
import fs from 'fs';
import path from 'path';
createD...