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How to find the size of localStorage
...s the length of the key itself.
Each length is multiplied by 2 because the char in javascript stores as UTF-16 (occupies 2 bytes)
P.P.S. Should work both in Chrome and Firefox.
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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...映射成一个字符索引表。如下所示：（其中的SP是空格，Char是字符，Value是其索引值） 编码的过程是把字符两两分组，然后转成下表的45进制，然后转成11bits的二进制，如果最后有一个落单的，那就转成6bits的二进制。而编码模...
How to navigate through textfields (Next / Done Buttons)
...m
#import "UITextField+Extended.h"
#import <objc/runtime.h>
static char defaultHashKey;
@implementation UITextField (Extended)
- (UITextField*) nextTextField {
return objc_getAssociatedObject(self, &defaultHashKey);
}
- (void) setNextTextField:(UITextField *)nextTextField{
o...
Architecture for merging multiple user accounts together
...ision)! I am wondering if you found a way to auto-login the user into the "extra" accounts that are linked after the first login into the application. Would the user have to login separately into each account every time they visit (if there isn't an active session with this providers already)?
...
Is it safe to use Project Lombok? [closed]
...le range for a numeric value? Or the permissible length and/or format of a String value? Or whether a String value is suitable for presenting to an end user? Or documenting what the property actually means, when its name can't possibly explain it in full? (JList.getLayoutOrientation and JList.setLay...
Should I hash the password before sending it to the server side?
...ng is that on connection to the client the server generates a salt (random string to be added before hashing) and stores it on the sockets variable, then it transmits this hash to the client. The client takes the users password, hashes it, adds the salt from the server and hashes the whole thing, be...
Apache and Node.js on the Same Server
...writeCond %{REQUEST_URI} ^socket.io [NC]
RewriteCond %{QUERY_STRING} transport=websocket [NC]
RewriteRule /{.*} ws://localhost:3000/$1 [P,L]
RewriteCond %{HTTP:Connection} Upgrade [NC]
RewriteRule /(.*) ws://localhost:3000/$1 [P,L]
ProxyPass /nodejs http://loca...
Pointers in Python?
... to a function, and I can't pass a variable by reference using an int or a string?
– Sam
Mar 21 at 15:42
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Algorithm to generate a crossword
...ithout intervention but you'd still get maybe a fifth requiring one or two extra words added. And we're talking about thousands of words in the file. No doubt backtracking could have helped but it was easier just for the client to reject one with (e.g.) 5 unfinished words than worry about trying to ...
How do I see the current encoding of a file in Sublime Text?
...has no BOM (byte-order mark), (b) the file contains only single-byte ASCII chars., (c) the file has not yet been saved by Sublime Text in this session. Once saved by ST , it then reports 'UTF8' until closed (on re-opening the guessing starts over).
– mklement0
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