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Async Image Loader Extension：异步图像加载器扩展 - App Inventor 2 拓展...
...)]1108×320 33 KB
[color=var(--tertiary)][color=var(--secondary)]IMG_20240505_161351[color=var(--secondary-high)]760×760 90.2 KB
[color=var(--tertiary)][color=var(--secondary)]IMG_20240505_161331[color=var(--secondary-high)]679×679 103 KB
https://community.appinventor.mi ... r...
Capitalize or change case of an NSString in Objective-C
...e caps ➔ (method missing; see workaround below)
Hence what you want is called "uppercase", not "capitalized". ;)
As for "Sentence Caps" one has to keep in mind that usually "Sentence" means "entire string". If you wish for real sentences use the second method, below, otherwise the first:
@inter...
Set value to NULL in MySQL
... can be inserted/updated without quotes:
INSERT INTO user (name, something_optional) VALUES ("Joe", NULL);
UPDATE user SET something_optional = NULL;
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How to add column if not exists on PostgreSQL?
...statement:
DO $$
BEGIN
BEGIN
ALTER TABLE <table_name> ADD COLUMN <column_name> <column_type>;
EXCEPTION
WHEN duplicate_column THEN RAISE NOTICE 'column <column_name> already exists in <table_name>.';
END;
END;
$$
...
Check if key exists and iterate the JSON array using Python
...
If all you want is to check if key exists or not
h = {'a': 1}
'b' in h # returns False
If you want to check if there is a value for key
h.get('b') # returns None
Return a default value if actual value is missing
h.get('b'...
How to resize a VirtualBox vmdk file
... iso from within the virtualbox settings).
P.S. If your new size is too small, you'll get the same error even with your new vdi file.
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Get list of a class' instance methods
...
You actually want TestClass.instance_methods, unless you're interested in what TestClass itself can do.
class TestClass
def method1
end
def method2
end
def method3
end
end
TestClass.methods.grep(/method1/) # => []
...
C# code to validate email address
...e-mail addresses are more forgiving than you might first assume. These are all perfectly valid forms:
cog@wheel
"cogwheel the orange"@example.com
123@$.xyz
For most use cases, a false "invalid" is much worse for your users and future proofing than a false "valid". Here's an article that used to ...
Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]
...
The solution is running this command:
set OPENSSL_CONF=C:\OpenSSL-Win32\bin\openssl.cfg
or
set OPENSSL_CONF=[path-to-OpenSSL-install-dir]\bin\openssl.cfg
in the command prompt before using openssl command.
Let openssl know for sure where to find its .cfg file.
Al...
Populate a Razor Section From a Partial
...n the Scripts section of your view:
@section Scripts
{
@Html.Partial("_Scripts", "ScriptName_For_Partial1")
}
Again, it might not win a beauty prize but it will work.
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