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Linux - Install redis-cli only
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now it isn't working http://security.ubuntu.com/ubuntu bionic-updates/universe amd64 redis-tools amd64 5:4.0.9-1ubuntu0.1 returns 404 Not Found
– Andrew Sneck
Nov 25 '19 at 9:28
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Generating random numbers in Objective-C
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You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You don't even need to set a seed.
#include <stdlib.h>
// ...
// ...
int r = arc4random_uniform(74);
The arc4random man page:
NAME
arc4random, arc4random_stir, arc4ra...
SQL Server Script to create a new user
...L Server from an application, then you will want to set the server up for "Mixed Mode" (both Windows and SQL logins) and create a Login as shown above. You'll then "GRANT" priviliges to that SQL Login based on what is needed for your app. See here for more information.
UPDATE: Aaron points out th...
Changing the status bar text color in splash screen iOS 7
I know that are already some stackoverflow questions that say how to change the status bar for all view controllers. I am currently changing the color of status bar this way:
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Read file data without saving it in Flask
I am writing my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always.
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Understanding ibeacon distancing
...on (beacon/ Bluetooth-lowenergy/BLE) can work. Is there any true documentation on how far exactly an ibeacon can measure. Lets say I am 300 feet away...is it possible for an ibeacon to detect this?
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without
...way to preview HTML files on GitHub is to go to https://htmlpreview.github.io/ or just prepend it to the original URL, i.e.: https://htmlpreview.github.io/?https://github.com/bartaz/impress.js/blob/master/index.html
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How to set top-left alignment for UILabel for iOS application?
...e-explaining, I will link to this rather extensive & highly rated question/answer:
Vertically align text to top within a UILabel
The short answer is no, Apple didn't make this easy, but it is possible by changing the frame size.
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Read and write a String from text file
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For reading and writing you should use a location that is writeable, for example documents directory. The following code shows how to read and write a simple string. You can test it on a playground.
Swift 3.x - 5.x
let file = "file.txt" //this is the file. we will writ...
微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术
...果正式发布iCloud之后，这一切似乎有了新的转机。得益于iOS恐怖的用户使用数量，将iOS端的一些重要内容无缝同步到桌面系统，成为苹果开始思考去创造的新的用户需求。在那之后，平台性的应用整合越来越多，从照片流的云端...