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Django ManyToMany filter()
...d it.
the above code will end up generating SQL that looks something like:
SELECT * FROM users WHERE id IN (SELECT user_id FROM userzones WHERE zone_id IN (1,2,3))
which is nice because it doesn't have any intermediate joins that could cause duplicate users to be returned
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How do you synchronise projects to GitHub with Android Studio?
...ject
VCS (main menu) >> Enable Version Control Integration >> Select GIT
Add project file to Local repository
Right Click on project >> GIT >> Add
Commit Added Files
Open the Version Control windows (Next to terminal window) >> Click commit
button
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presentViewController:animated:YES view will not appear until user taps again
...ese sources. I've found the issue by using a UITableViewCell which had its selectionStyle set to UITableViewCellSelectionStyleNone, so that no selection animation triggered the runloop after the row selection handler ran.
To fix it (until Apple does something) you can trigger the main runloop by s...
TypeError: got multiple values for argument
...r example, let's imagine a function that draws a colored box. The function selects the color to be used and delegates the drawing of the box to another function, relaying all extra arguments.
def color_box(color, *args, **kwargs):
painter.select_color(color)
painter.draw_box(*args, **kwargs...
Parsing huge logfiles in Node.js - read in line-by-line
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'line-by-line' is more memory efficient than the selected answer. For 1 million lines in a csv the selected answer had my node process in the low 800s of megabytes. Using 'line-by-line' it was consistently in the low 700s. This module also keeps the code clean and easy to r...
How to replace a single word under cursor?
...22.333)? It looks like vim interprets / and . as end of the word and won't select the entire string.
– Alexander Cska
May 1 at 21:47
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What does the * * CSS selector do?
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Just like any other time you put two selectors one after another (for example li a), you get the descendant combinator. So * * is any element that is a descendant of any other element — in other words, any element that isn't the root element of the whole docum...
The backend version is not supported to design database diagrams or tables
...se the version designed for your database version. You can use the command select @@version to check which version of sql server you are actually using. This version is reported in a way that is easier to interpret than that shown in the Help About in SSMS.
Using a newer version of SSMS than your...
How to set breakpoints in inline Javascript in Google Chrome?
...e directory tree underneath it (with the up and down arrow in it), you can select the file you want to debug. You can get out of an error by pressing resume on the right-hand side of the same tab.
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How to create a video from images with FFmpeg?
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-pattern_type glob
This great option makes it easier to select the images in many cases.
Slideshow video with one image per second
ffmpeg -framerate 1 -pattern_type glob -i '*.png' \
-c:v libx264 -r 30 -pix_fmt yuv420p out.mp4
Add some music to it, cutoff when the presumably...