⌘T | go to file |
⌘⌃P | go to project |
⌘R | go to methods |
⌃G | go to line |
⌘KB | toggle side bar |
⌘⇧P | command prompt |
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#import "FlowCoverView.h" | |
@interface FlowCoverViewController : UIViewController { | |
} | |
@end |
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/* | |
File: Reachability.h | |
Abstract: Basic demonstration of how to use the SystemConfiguration Reachablity APIs. | |
Version: 2.2 - ARCified | |
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. | |
("Apple") in consideration of your agreement to the following terms, and your | |
use, installation, modification or redistribution of this Apple software |
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/* Original source code courtesy John from iOSDeveloperTips.com */ | |
#include <sys/socket.h> | |
#include <sys/sysctl.h> | |
#include <net/if.h> | |
#include <net/if_dl.h> | |
+ (NSString *)getMacAddress | |
{ | |
int mgmtInfoBase[6]; |
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########################################## | |
# | |
# c.f. http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 | |
# | |
# Version 2.82 | |
# | |
# Latest Change: | |
# - MORE tweaks to get the iOS 10+ and 9- working | |
# - Support iOS 10+ | |
# - Corrected typo for iOS 1-10+ (thanks @stuikomma) |
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######################### | |
# .gitignore file for Xcode4 and Xcode5 Source projects | |
# | |
# Apple bugs, waiting for Apple to fix/respond: | |
# | |
# 15564624 - what does the xccheckout file in Xcode5 do? Where's the documentation? | |
# | |
# Version 2.6 | |
# For latest version, see: http://stackoverflow.com/questions/49478/git-ignore-file-for-xcode-projects | |
# |
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- (BOOL)stringContainsEmoji:(NSString *)string { | |
__block BOOL returnValue = NO; | |
[string enumerateSubstringsInRange:NSMakeRange(0, [string length]) options:NSStringEnumerationByComposedCharacterSequences usingBlock: | |
^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) { | |
const unichar hs = [substring characterAtIndex:0]; | |
// surrogate pair | |
if (0xd800 <= hs && hs <= 0xdbff) { | |
if (substring.length > 1) { | |
const unichar ls = [substring characterAtIndex:1]; |
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[[NSLocale availableLocaleIdentifiers] enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) { | |
NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:obj]; | |
NSLog(@"<tr><td>%@</td><td>%@ / %@</td></tr>", locale.localeIdentifier, [[NSLocale systemLocale] displayNameForKey:NSLocaleIdentifier value:obj], [locale displayNameForKey:NSLocaleIdentifier value:obj]); | |
}]; |
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import cv2.cv as cv | |
import tesseract | |
gray = cv.LoadImage('captcha.jpeg', cv.CV_LOAD_IMAGE_GRAYSCALE) | |
cv.Threshold(gray, gray, 231, 255, cv.CV_THRESH_BINARY) | |
api = tesseract.TessBaseAPI() | |
api.Init(".","eng",tesseract.OEM_DEFAULT) | |
api.SetVariable("tessedit_char_whitelist", "0123456789abcdefghijklmnopqrstuvwxyz") | |
api.SetPageSegMode(tesseract.PSM_SINGLE_WORD) | |
tesseract.SetCvImage(gray,api) | |
print api.GetUTF8Text() |
@版本 2.0.0
譯注:此翻譯版,主要給不能流利的讀英文的人看,相關專有名詞還是保留原文。翻譯不好地方請協助pull request.
此repository包含了一些前端開發的面試問題,來審查一個有潛力的面試者。這並不是建議你對同一個面試者問上所有的問 (那會花費好幾小時)。從列表中挑幾個題目,應該就夠幫助你審查面試者是否擁有你需要的技能。
Rebecca Murphey 的 Baseline For Front-End Developers 也是一篇很棒且值得讀的文章在你開始面試之前。
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