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Cast an instance of a class to a @protocol in Objective-C
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The correct way to do this is to do:
if ([self.myViewController conformsToProtocol:@protocol(MyProtocol)])
{
UIViewController <MyProtocol> *vc = (UIViewController <MyProtocol> *) self.myViewController;
[vc protocolMethod];
}
The UIV...
what is the use of xsi:schemaLocation?
...those load requests and serves up versions from inside its own JAR files.
If you omit the schemaLocation, then the XML parser won't know where to get the schema in order to validate the config.
share
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UITableView Cell selected Color?
...nd non-nil for section-group tables UITableViewStyleGrouped).
Therefore, if you're using a plain-style table, then you'll need to alloc-init a new UIView having your desired background colour and then assign it to selectedBackgroundView.
Alternatively, you could use:
cell.selectionStyle = UITabl...
AI2 SideBar Extension
...ensive one and developed one myself. Almost all properties are adjustable. If something is missing, write to me: E-Mail to Ulli. Version history Version Adjustments 1.0 (2021-01-28) Initial version 1.1 (2021-10-05) Event ItemCheckedChanged was not triggered. 1.2 (20...
How to run a command in the background and get no output?
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Use nohup if your background job takes a long time to finish or you just use SecureCRT or something like it login the server.
Redirect the stdout and stderr to /dev/null to ignore the output.
nohup /path/to/your/script.sh > /dev/...
Any reason to write the “private” keyword in C#?
...s far as I know, private is the default everywhere in C# (meaning that if I don't write public , protected , internal , etc. it will be private by default). (Please correct me if I am wrong.)
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Clone contents of a GitHub repository (without the folder itself)
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If the current directory is empty, you can do that with:
git clone git@github:me/name.git .
(Note the . at the end to specify the current directory.) Of course, this also creates the .git directory in your current folder,...
Best way to read a large file into a byte array in C#?
... byte arrays. The server could be reading several files at the same time (different page requests), so I am looking for the most optimized way for doing this without taxing the CPU too much. Is the code below good enough?
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Express.js: how to get remote client address
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If you are running behind a proxy like NGiNX or what have you, only then you should check for 'x-forwarded-for':
var ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
If the proxy isn't 'yours', I wouldn...
Remove a prefix from a string [duplicate]
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I don't know about "standard way".
def remove_prefix(text, prefix):
if text.startswith(prefix):
return text[len(prefix):]
return text # or whatever
As noted by @Boris and @Stefan, on Python 3.9+ you can use
text.removeprefix(prefix)
with the same behavior.
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