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Sum a list of numbers in Python
... So you want (element 0 + element 1) / 2, (element 1 + element 2) / 2, ... etc.
We make two lists: one of every element except the first, and one of every element except the last. Then the averages we want are the averages of each pair taken from the two lists. We use zip to take pairs from two lis...
How to truncate a foreign key constrained table?
...L's TRUNCATE being incomplete - truncate isn't supposed to invoke triggers etc. If it did, it would just be the same as DELETE! It's row-agnostic, hence it's unable to perform row-related operations (like invoking triggers or examining foreign keys). It works in the same way in Oracle and Sql Server...
Creating an instance using the class name and calling constructor
...?> clazz = Class.forName(className);
Constructor<?> ctor = clazz.getConstructor(String.class);
Object object = ctor.newInstance(new Object[] { ctorArgument });
That will only work for a single string parameter of course, but you can modify it pretty easily.
Note that the class name has t...
Center content in responsive bootstrap navbar
...mobile display -->
<div class="navbar-header">
...etc
to center the nav, that what i've done:
<div class="container-fluid" id="nav_center">
css:
@media (min-width:768px) { /* don't break navbar on small screen */
#nav_center {
width: 700px /* need to ...
Access denied for user 'test'@'localhost' (using password: YES) except root user
...If you are connecting to the MySQL using remote machine(Example workbench) etc., use following steps to eliminate this error on OS where MySQL is installed
mysql -u root -p
CREATE USER '<<username>>'@'%%' IDENTIFIED BY '<<password>>';
GRANT ALL PRIVILEGES ON * . * TO '<&...
Favorite Visual Studio keyboard shortcuts [closed]
... Ctrl K, D formats the entire document (proper indents, ws cleaned up, etc.) in mine. ?
– John Dunagan
Oct 21 '08 at 20:40
...
No mapping found for field in order to sort on in ElasticSearch
... My queries always worked until today without updating any libraries etc. but today I started getting this same error. I now added "ignore_unmapped" : true and it started to work again but strange thing is, what has happened behind the scene! Who knows! Anyway, it works now. +1
...
Search all the occurrences of a string in the entire project in Android Studio
...an be found in the context menu, when the cursor is on some field, method, etc.
It's context-aware, and as far as I know, is the best way to find class, method or field usage.
Alternatively, you can use the
Edit > Find > Find in path…
dialog, which allows you to search the whole wo...
Excel VBA App stops spontaneously with message “Code execution has been halted”
...A code with an unorthodox method.
I cleaned out all temp files, rebooted, etc... When I ran the code again after all of this I still got the issue - before I entered the first loop. It makes sense that "press "Debug" button in the popup, then press twice [Ctrl+Break] and after this can continue wit...
Detecting if an NSString contains…?
... have a match. Depending on your needs you might also check for ,, ., (), etc.
An alternative approach, of course, is to parse the string into words and check each word individually.
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