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How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
...master:
mysqldump -u root -p --all-databases > /a/path/mysqldump.sql
Now you can release the lock, even if the dump hasn't ended yet. To do it, perform the following command in the MySQL client:
UNLOCK TABLES;
Now copy the dump file to the slave using scp or your preferred tool.
At the sla...
if (key in object) or if(object.hasOwnProperty(key)
...someMap.constructor will yield -> function Object() { [native code] }
Now, if you want to iterate through "someMap" you will have to do it this way:
const key
for(key in someMap ){
if (someMap.hasOwnProperty(key)) {
// Do something
}
}
We are doing so in order to avoid iterating over i...
git pull while not in a git directory
...ath> is empty, 2015-03-06, Git v2.3.4).
That means the documentation now (finally) includes:
If '<path>' is present but empty, e.g. -C "", then the current working directory is left unchanged.
You can see git -C used with Git 2.26 (Q1 2020), as an example.
See commit b441717, co...
Finding JavaScript memory leaks with Chrome
...e creation of the Backbone View until the click event of the Start button. Now:
Run the HTML (saved locally of using this address) and take a snapshot.
Click Start to create the view.
Take another snapshot.
Click remove.
Take another snapshot.
Filter objects allocated between Snapshots 1 and 2 in ...
Building a complete online payment gateway like Paypal [closed]
...een there and done that. It was a lot easier about 10 years ago than it is now, but if you have a phenomenal amount of time, money and patience available, it is still possible.
You will need to contact an acquiring bank. You didnt say what region of the world you are in, but by this I dont mean a ...
How to make phpstorm display line numbers by default?
...
Just now found where is it on Windows. Its View -> Active Editor -> Show Line Numbers (changes only for current document) and File -> Settings -> Editor -> Appearance -> Show Line Numbers (for all documents)
For...
Which is faster: Stack allocation or Heap allocation
...
On some (mostly embedded, that I know of) architectures, stack may be stored in fast on-die memory (e.g. SRAM). This can make a huge difference!
– leander
Jul 15 '09 at 1:16
...
Convert array to JSON
...] which holds a few integers.
I've added a few values to the array, but I now need to send this array to a page via jQuery's .get method. How can I convert it to a JSON object for sending?
...
How do I install a NuGet package .nupkg file locally?
...2010. Trying to download and install latest nuget from their homepage just now. Download click next next...then error...M$ as expected, there is a link of known issues, checked that, says signature mismatch then I need to uninstall the existing nuget and it is easy fix. fine, do that. When I restart...
Two versions of python on linux. how to make 2.7 the default
..., or put it in your ~/.bashrc if you want the change to be persistent, and now when you type python it runs your chosen 2.7, but when some program on your system tries to run a script with /usr/bin/env python it runs the standard 2.6.
Alternatively, just create a virtual environment out of your 2...