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@rgo
rgo / gist:1324325
Created October 29, 2011 10:36
Convert files to utf-8 with vim
## From http://stackoverflow.com/questions/2311750/change-file-encoding-to-utf-8-via-vim-in-a-script
#This is the simplest way I know of to do this easily from the command line:
vim +"argdo se bomb | se fileencoding=utf-8 | w" $(find . -type f -name *.rb)
#Or better yet if the number of files is expected to be pretty large:
find . -type f -name *.rb | xargs vim +"argdo se bomb | se fileencoding=utf-8 | w"
@zhaoyk
zhaoyk / UIFont - CTFontRef 转换
Last active March 8, 2022 11:12
UIFont 与 CTFontRef 互相转换
+ (UIFont *)uifontFromCTFontRef:(CTFontRef)ctFont {
CGFloat pointSize = CTFontGetSize(ctFont);
NSString *fontPostScriptName = (NSString *)CFBridgingRelease(CTFontCopyPostScriptName(ctFont));
UIFont *fontFromCTFont = [UIFont fontWithName:fontPostScriptName size:pointSize];
return fontFromCTFont;
}
+ (CTFontRef)ctFontRefFromUIFont:(UIFont *)font {
CTFontRef ctfont = CTFontCreateWithName((__bridge CFStringRef)font.fontName, font.pointSize, NULL);
return CFAutorelease(ctfont);
@kristopherjohnson
kristopherjohnson / FileHandleIterators.swift
Last active May 23, 2022 00:32
Iterators for reading bytes or lines from FileHandle objects as sequences
import Foundation
extension FileHandle {
/// Return an iterator over the bytes in the file.
///
/// - returns: An iterator for UInt8 elements.
public func bytes() -> FileHandleByteIterator {
return FileHandleByteIterator(fileHandle: self)
}
// USB Vendor ID: 0x05AC
// USB Product ID: 0x0251
/* The upper label indicates the key's function.
* The lower label indicates the USB/HID Keyboard report value.
* The keyboard report (endpoint 0x81) has the following data structure:
* ```
* struct kdb_report {
* uint8_t modifier;
* uint8_t reserved;
@Jamesits
Jamesits / ubuntu_enable_bbr.sh
Last active December 13, 2022 22:27
Ubuntu enable BBR
#!/bin/bash
set -eu
SYSCTL_FILE=/etc/sysctl.d/90-tcp-bbr.conf
# check root
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root"
exit 1
fi
@gahntpo
gahntpo / SceneDelegate.swift
Created June 20, 2020 08:34
using the call to WindowScene( didUpdate) to access the window size and device orientation
func windowScene(_ windowScene: UIWindowScene,
didUpdate previousCoordinateSpace: UICoordinateSpace,
interfaceOrientation previousInterfaceOrientation: UIInterfaceOrientation,
traitCollection previousTraitCollection: UITraitCollection) {
// windowScene.coordinateSpace.bounds
// windowScene.interfaceOrientation.isLandscape
}
func openAndSelectFile(filename:String){
let files = [NSURL(fileURLWithPath: filename)];
NSWorkspace.sharedWorkspace().activateFileViewerSelectingURLs(files);
}
@gamako
gamako / String+hex.swift
Last active March 21, 2024 02:51
Convert Hexadecimal String to Array<Uint> or Data with Swift3 style.
import Foundation
// "".hexData.hexString //
// "01".hexData.hexString // 01
// "ab".hexData.hexString // ab
// "abff 99".hexData.hexString // abff99
// "abff\n99".hexData.hexString // abff99
// "abzff 99".hexData.hexString // ab
// "abf ff 99".hexData.hexString // ab
// "abf".hexData.hexString // ab
@richlander
richlander / instructions.md
Last active March 24, 2024 14:54
Installing .NET Core 3.0 on Linux ARM64

Installing .NET Core on Linux ARM64

The following intructions can be used to install .NET Core on Linux ARM64.

Pro tip: Check out .NET Core Docker files to determine the exact instructions for installing .NET Core builds, for example .NET Core 3.1 ARM32 SDK Dockerfile.

Installing .NET Core Globally

The following instructions install the latest .NET Core globally. It isn't required to do that, but it provides the best experience.

@SergLam
SergLam / UIApplication+Environment.swift
Created January 16, 2020 18:56
Swift - check iOS app environment (debug OR TestFlight build) at runtime
import UIKit
extension UIApplication {
// MARK: Public
func isRunningInTestFlightEnvironment() -> Bool {
if isSimulator() {
return false
} else {
if isAppStoreReceiptSandbox() && !hasEmbeddedMobileProvision() {