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How to delete a file or folder?
...
Python syntax to delete a file
import os
os.remove("/tmp/<file_name>.txt")
Or
import os
os.unlink("/tmp/<file_name>.txt")
Or
pathlib Library for Python version >= 3.4
file_to_rem = pathlib.Path("/tmp/<file_name>.txt")
file_to_rem.unlink()
Path.unlink(missing_ok=Fals...
Confused about Service vs Factory
...); }; }]); Read more about it here: docs.angularjs.org/tutorial/step_05
– JustGoscha
Oct 2 '14 at 17:33
...
You can't specify target table for update in FROM clause
... absolutely fine. DELETE FROM t WHERE tableID NOT IN (SELECT viewID FROM t_view); Also I recommend running OPTIMIZE TABLE t; afterwards to reduce the size of the table.
– CodeX
Oct 13 '16 at 11:36
...
Get to UIViewController from UIView?
...:
@implementation UIView (AppNameAdditions)
- (UIViewController *)appName_viewController {
/// Finds the view's view controller.
// Take the view controller class object here and avoid sending the same message iteratively unnecessarily.
Class vcc = [UIViewController class];
// Tr...
brew install mysql on macOS
...sql
ran the commands brew suggested: (see note: below)
unset TMPDIR
mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp
Start mysql with mysql.server start command, to be able to log on it
Used the alternate security script:
...
Referencing a string in a string array resource with xml
...
Maybe this would help:
String[] some_array = getResources().getStringArray(R.array.your_string_array)
So you get the array-list as a String[] and then choose any i, some_array[i].
sha...
What is the difference between & vs @ and = in angularJS
...d be an AngularJS interpolated string with embedded expressions (myattr="my_{{helloText}}"). Think of it as "one-way" communication from the parent scope into the child directive. John Lindquist has a series of short screencasts explaining each of these. Screencast on @ is here: https://egghead.io...
Use of the MANIFEST.MF file in Java
...ins the default entries like this:
Manifest-Version: 1.0
Created-By: 1.7.0_06 (Oracle Corporation)
These are entries as “header:value” pairs. The first one specifies the manifest version and second one specifies the JDK version with which the JAR file is created.
Main-Class header:
When a JA...
What are Scala context and view bounds?
...like they were Scala collections. For example:
def f[CC <% Traversable[_]](a: CC, b: CC): CC = if (a.size < b.size) a else b
If one tried to do this without view bounds, the return type of a String would be a WrappedString (Scala 2.8), and similarly for Array.
The same thing happens even i...
How do I “un-revert” a reverted Git commit?
...72d93bf3da7c65a9bd746.
...
Merge pull request parallel_reporting_dbs to master* commit
'648d7d808bc1bca6dbf72d93bf3da7c65a9bd746'
This way, you can trace the history and figure out the whole story, and even those without the knowledge of the legacy could work it out for t...