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Django: Get an object form the DB, or 'None' if nothing matches
... cases where your logic expects there to be only a single object (which is selected by first()), but in reality multiple objects exist. Using get() instead of first() gives you an extra layer of protection, by raising MultipleObjectsReturned(). If the result being returned is not expected to return ...
Camera orientation issue in Android
... Arc, and S II.. Interesting thing here is that when these same images are selected from gallery, the content provider has the proper orientation value.. Any ideas?
– Tolga E
Dec 7 '11 at 21:45
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Use Font Awesome Icon As Favicon
...will display on Safari's pinned tabs and also regular tabs if the user has selected the "Show website icons in tabs" option.
Example HTML for a color bookmark icon:
<head>
<link rel=mask-icon href=https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@5.14/svgs/solid/rocket.svg color...
Data access object (DAO) in Java
... to persist. The Employee DAO will contain methods to insert/delete/update/select employee(s)
– Rami
Oct 4 '13 at 6:52
2
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How to clear basic authentication details in chrome
...for running apps in the background using that menu.
Open the Chrome menu
Select Settings
Scroll to the bottom
Click Show advanced settings...
Scroll to the bottom
Under System uncheck the box labeled: Continue running background apps when Google Chrome is closed
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Detect If Browser Tab Has Focus
...
onblur|.blur/onfocus|.focus "duplicate" calls
window losing focus through selection of alternate app, like word
This tends to be undesirable simply because, if you have a bank page open, and it's onblur event tells it to mask the page, then if you open calculator, you can't see the page anymore!
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How to style UITextview to like Rounded Rect text field?
... is closer to text fields, but this answer's gray color is better than the selected answer.
– Peter DeWeese
Sep 15 '11 at 15:34
2
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How to parse/read a YAML file into a Python object? [duplicate]
...
Here is one way to test which YAML implementation the user has selected on the virtualenv (or the system) and then define load_yaml_file appropriately:
load_yaml_file = None
if not load_yaml_file:
try:
import yaml
load_yaml_file = lambda fn: yaml.load(open(fn))
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How to loop through all the properties of a class?
... where c.Name.StartsWith("Doc")
select c).ToArray();
foreach (PropertyInfo item in properties)
{
if (item.PropertyType.FullName == "System.String")
item.SetValue(this, "", null);
}
}
I used the code ...
Remove duplicate lines without sorting [duplicate]
... sort by prepended number
Use cut to remove the line numbering (-f2- says 'select field 2 till end')
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