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C++ equivalent of StringBuffer/StringBuilder?
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96
The std::string.append function isn't a good option because it doesn't accept many forms of dat...
App Inventor 2 Encrypt.Security 安全性扩展：MD5哈希，SHA/AES/RSA/BASE6...
...D5哈希，SHA1和SHA256哈希，AES加密/解密，RSA加密/解密，BASE64编码/解码方法。权限此扩展程序不需要任何权限。事件OnErrorOccured抛出任何异常时将触发此事件。此事件中有两个变量：method和message。变量“method”是发生错误的方法的...
Why do x86-64 systems have only a 48 bit virtual address space?
...facturers took a shortcut. They use an instruction set which allows a full 64-bit address space, but current CPUs just only use the lower 48 bits. The alternative was wasting transistors on handling a bigger address space which wasn't going to be needed for many years.
So once we get near the 48-bi...
Is it possible to determine whether ViewController is presented as Modal?
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96
Since modalViewController has been deprecated in iOS 6, here's a version that works for iOS 5+ ...
Prevent form submission on Enter key press
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84
event.key === "Enter"
More recent and much cleaner: use event.key. No more arbitrary number cod...
Best way to create unique token in Rails?
...ken
self.token = loop do
random_token = SecureRandom.urlsafe_base64(nil, false)
break random_token unless ModelName.exists?(token: random_token)
end
end
end
Edit:
@kain suggested, and I agreed, to replace begin...end..while with loop do...break unless...end in this answer b...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
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96
If you're in a Browser-Only environment, use SridharR's solution.
If you're in a Node/CommonJS...
Import CSV to SQLite
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84
For other people who land here from a search, if the first line of your csv file contains the column names, then you can omit the first cre...
Android Studio installation on Windows 7 fails, no JDK found
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+1 This MOSTLY worked for me. I am running 64 bit windows and JDK 1.7.0. I tried adding both JDK_HOME and JAVA_HOME with "c:\Program Files\Java\jdk1.7.0\". It still would not load. However, I capitalized the "C" and removed the trailing slash and it works now: "C:\Pr...
Openssl is not recognized as an internal or external command
...bin\openssl.exe" sha1 -binary | "C:\Users\abc\openssl\bin\openssl.exe" base64
Remember, path that you will enter will be the path where you have installed the openssl...hope this helps..:-)
Edit:
you can download openssl for windows 32 and 64 bit from the respective links below:
OpenSSL for 64 Bits...