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What is Lazy Loading?
...quantity \
+ sum(bi.quantity for bi in self.borroweditem_set.all())
return self._total
Basically, I have an Item class which represents an item in our inventory. The total number of items we have is the number that we own plus the sum of all of the items that we're borro...
What's a good (free) visual merge tool for Git? (on windows) [closed]
... is an official installer for Windows that works well.
Install it and then set it as your default mergetool.
$ git config --global merge.tool "meld"
$ git config --global mergetool.meld.path "C:\Program Files (x86)\Meld\Meld.exe"
If using a GUI GIT client, try the following (instructions for Source...
What's the difference between a file descriptor and file pointer?
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Actually, both yes and no. You can't setup and initialize IPC with FILE*, but you can create a FILE* from a file descriptor (fdopen()) and later closing the FILE will close the descriptor also. Therefore, you can do IPC, but you have to deal with file descripto...
Convert a Unix timestamp to time in JavaScript
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1810
let unix_timestamp = 1549312452
// Create a new JavaScript Date object based on the timesta...
Is there any way to do HTTP PUT in python
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I've used a variety of python HTTP libs in the past, and I've settled on 'Requests' as my favourite. Existing libs had pretty useable interfaces, but code can end up being a few lines too long for simple operations. A basic PUT in requests looks like:
payload = {'username': 'bob', 'e...
Android error: Failed to install *.apk on device *: timeout
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Thanks for the hint, although I had to set it to a much higher value in my case since my environment seems to be running a lot slower.
– DigiOz Multimedia
Dec 29 '11 at 8:11
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Is there a way to programmatically scroll a scroll view to a specific edit text?
...e
public void run() {
your_scrollview.scrollTo(0, your_EditBox.getBottom());
}
});
}
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Android selector & text color
...lector"
android:textSize="15sp"
/>
And in code you'll need to set a click listener.
private var isPressed = false
private fun TextView.setListener() {
this.setOnClickListener { v ->
run {
if (isPressed) {
v.isSelected = false
...
ActiveRecord.find(array_of_ids), preserving order
...nction to do this in postgres - omarqureshi.net/articles/2010-6-10-find-in-set-for-postgresql
– Omar Qureshi
Jun 29 '12 at 16:58
25
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How can I format a number into a string with leading zeros?
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