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How to remove the first commit in git?
... will modify the commit without creating another one.
If you just want to start all over, delete the .git repository, and make another one with git init
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How to test an SQL Update statement before running it?
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@see https://dev.mysql.com/doc/refman/5.0/en/commit.html
For example:
START TRANSACTION;
SELECT * FROM nicetable WHERE somthing=1;
UPDATE nicetable SET nicefield='VALUE' WHERE somthing=1;
SELECT * FROM nicetable WHERE somthing=1; #check
COMMIT;
# or if you want to reset changes
ROLLBACK;
SEL...
Create a date from day month and year with T-SQL
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You don't have to start with zero and add days. You can start directly with @DayOfMonth-1, then add the months and years. That's one less DateAdd()!
– brianary
Dec 22 '11 at 23:31
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Best practice for Django project working directory structure
...her.
Project template
I've created project template for this setup, django-start-template
Deployment
Deployment of this project is following:
source $VENV/bin/activate
export DJANGO_SETTINGS_MODULE=project_name.settings.production
git pull
pip install -r requirements.txt
# Update database, static f...
Deleting array elements in JavaScript - delete vs splice
...rray[0]
undefined
> myArray
[empty, "b", "c", "d"]
myArray.splice(start, deleteCount) actually removes the element, reindexes the array, and changes its length.
> myArray = ['a', 'b', 'c', 'd']
["a", "b", "c", "d"]
> myArray.splice(0, 2)
["a", "b"]
> myArray
["c", "d"]
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Comparison of CI Servers? [closed]
... There is probably a reason it is not mentioned... My 2 cents: just started working on the project that uses it, we are trying to improve our automation and establish delivery pipeline...but each now and then CI "runs out of minutes" and guess what...you need to pay for some minutes. That is...
Why does setTimeout() “break” for large millisecond delay values?
...,
execTime: null,
_timeout : null,
/**
* Initialize and start timer
*/
init : function() {
this.checkTimer();
},
/**
* Get the time of the callback execution should happen
*/
getExecTime : function() {
return this.execTime;
},
...
How to use glob() to find files recursively?
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Starting with Python 3.4, one can use the glob() method of one of the Path classes in the new pathlib module, which supports ** wildcards. For example:
from pathlib import Path
for file_path in Path('src').glob('**/*.c'):
...
Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...ant to reuse a single formatter through the application
You'll have a head-start on learning java.time in Java 8, as they're at least somewhat similar
Cons:
It's another API to learn (although the docs are pretty good)
It's another library to build against and deploy
When you use Java 8, there's...
Strip whitespace from jsp output
...e" %>
Or in the jsp-config section your web.xml (Note that this works starting from servlet specification 2.5.):
<jsp-config>
<jsp-property-group>
<url-pattern>*.jsp</url-pattern>
<trim-directive-whitespaces>true</trim-directive-whitespaces>
<...