Mahmud Ahsan mahmudahsan
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| do { | |
| try sampleThrowError() | |
| } | |
| catch SampleError.sample1 { | |
| print("Sample 1 Error caught") | |
| } | |
| catch { | |
| print("For all other cases") | |
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let str = try? sampleThrowError() | |
| if let str = str { | |
| print(str) | |
| } | |
| else { | |
| print("Str is nil") | |
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| func square(val:Int) throws -> Int { | |
| if val == 5 { | |
| throw SampleError.sample1 | |
| } | |
| return val * val | |
| } | |
| let sqaureValue = try! square(val: 10) | |
| print(sqaureValue) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| func readDesc(_ desc:inout String) throws { | |
| let newDesc = desc | |
| defer { | |
| desc = "" | |
| } | |
| throw SampleError.sample2(message: "cool error") | |
| print(newDesc) | |
| } | |
| var desc = "Life is cool and play is a tool!" |
mahmudahsan
/ parse_soup_to_simple_html.py
Created
February 25, 2018 09:02
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| def parse_soup_to_simple_html(self): | |
| news_list = self.__soup.find_all(['h1', 'h2']) # h1 | |
| #print (news_list) | |
| htmltext = ''' | |
| <html> | |
| <head><title>Simple News Link Scrapper</title></head> | |
| <body> | |
| {NEWS_LINKS} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| const char *sqlStatement = [query UTF8String]; | |
| sqlite3_stmt *compiledStatement; | |
| if(sqlite3_prepare_v2(database, sqlStatement, -1, &compiledStatement, NULL) == SQLITE_OK) { | |
| // Loop through the results and add them to the feeds array | |
| while(sqlite3_step(compiledStatement) == SQLITE_ROW) { | |
| // Read the data from the result row | |
| NSString *word = [NSString stringWithUTF8String:(char *)sqlite3_column_tcompiledStatement, | |
| [arrayWords addObject:word]; | |
| } | |
| } |
mahmudahsan
/ swiftui_gradient_text1.swift
Created
February 27, 2020 04:40
SwiftUI How to create a gradient text
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import SwiftUI | |
| extension Color { | |
| static func hexStringToColor (hex:String, opacity: Double = 1.0) -> Color { | |
| var cString:String = hex.trimmingCharacters(in: .whitespacesAndNewlines).uppercased() | |
| if (cString.hasPrefix("#")) { | |
| cString.remove(at: cString.startIndex) | |
| } | |
| if ((cString.count) != 6) { | |
| return Color.gray |
mahmudahsan
/ swiftui_color_from_hex.swift
Created
February 27, 2020 04:42
SwiftUI how to create color from hex value
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| extension Color { | |
| static func hexStringToColor (hex:String, opacity: Double = 1.0) -> Color { | |
| var cString:String = hex.trimmingCharacters(in: .whitespacesAndNewlines).uppercased() | |
| if (cString.hasPrefix("#")) { | |
| cString.remove(at: cString.startIndex) | |
| } | |
| if ((cString.count) != 6) { | |
| return Color.gray | |
| } | |
| var rgbValue:UInt64 = 0 |
mahmudahsan
/ Swiftui_gradient_text_part1.swift
Created
February 27, 2020 04:43
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| struct GradientText: View { | |
| let title: String | |
| let colors = Gradient(colors: [Color.hexStringToColor(hex: "#FF0000"), | |
| Color.hexStringToColor(hex: "#40B482")]) | |
| var body: some View { | |
| RadialGradient(gradient: colors, | |
| center: .center, | |
| startRadius: 0, | |
| endRadius: 300) |
mahmudahsan
/ swiftui-checkbox.swift
Last active
July 18, 2020 18:36
https://thinkdiff.net/ios/how-to-create-checkbox-in-swiftui/
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import SwiftUI | |
| //MARK:- Checkbox Field | |
| struct CheckboxField: View { | |
| let id: String | |
| let label: String | |
| let size: CGFloat | |
| let color: Color | |
| let textSize: Int | |
| let callback: (String, Bool)->() |