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How do you Encrypt and Decrypt a PHP String?
...ss you're using an AEAD construct, ALWAYS encrypt then MAC!
bin2hex(), base64_encode(), etc. may leak information about your encryption keys via cache timing. Avoid them if possible.
Even if you follow the advice given here, a lot can go wrong with cryptography. Always have a cryptography expert re...
How to encrypt/decrypt data in php?
...u can also convert the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more storage space.
Decryption
Decryption of the stored values is similar:
function pkcs7_unpad($data)
{
return substr($data, 0, -ord($data[strlen($data) ...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...户界面。另外，每个进程每次只能被一个调试器附上。这是否意味着如果我们用Visual Studio调试器调试应用程序，就不能再用CDB得到它的附加信息了？不，不完全是这样，因为除了全功能调试模式外，CDB还支持入侵调试模式。
CDB...
How do you use bcrypt for hashing passwords in PHP?
... // The following is code from the PHP Password Hashing Framework
$itoa64 = './ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
$output = '';
$i = 0;
do {
$c1 = ord($input[$i++]);
$output .= $itoa64[$c1 >> 2];
$c1 = ($c1 & 0x03) << 4...
Quit and restart a clean R session from within R?
...eActiveBinding("restart.R", function() { shell.exec(paste0(R.home(),"/bin/x64/Rgui.exe")); q("no") }, .GlobalEnv)
You'll need to edit the file path /bin/x64/Rgui.exe to match whatever you use to start R. You just put this line in your .Rprofile file, then you can call it by entering restart.R in y...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
...etadata using a REST web service?
You basically have three choices:
Base64 encode the file, at the expense of increasing the data size by around 33%, and add processing overhead in both the server and the client for encoding/decoding.
Send the file first in a multipart/form-data POST, and return ...
Configure WAMP server to send email
...example in the devside guide uses forwardslashes.
sendmail_path = "C:\wamp64\msmtp\msmtp.exe -d -C C:\wamp64\msmtp\msmtprc.ini -t --read-envelope-from"
mail.log = "C:\wamp64\msmtp\maillog.txt"
Create and edit the file msmtprc.ini in the same directory as your msmtp.exe file as follows, replacing...
Android -Starting Service at Boot Time
...lns:android="http://schemas.android.com/apk/res/android"
package="com.jjoe64">
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
<application>
<receiver android:name=".BootCompletedIntentReceiver">
<intent-filter>
<action android:na...
Convert RGB to RGBA over white
...5
cobbal
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answered Jul 13 '11 at 0:04
gereeterger...
What does `dword ptr` mean?
...
unwindunwind
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