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Converting Stream to String and back…what are we missing?
...rmatted bytes". You have arbitrary bytes. You need to use something like a base-n (commonly: base-64) encode. This transfers
arbitrary bytes to a formatted string
a formatted string to the original bytes
look at Convert.ToBase64String and Convert. FromBase64String
...
What are the best JVM settings for Eclipse? [closed]
...ok at an "optimized" eclipse.ini settings file for Eclipse Helios 3.6.x:
based on runtime options,
and using the Sun-Oracle JVM 1.6u21 b7, released July, 27th (some some Sun proprietary options may be involved).
(by "optimized", I mean able to run a full-fledge Eclipse on our crappy workstation...
HttpWebRequest using Basic authentication
... header yourself.
Just make the name "Authorization" and the value "Basic BASE64({USERNAME:PASSWORD})"
String username = "abc";
String password = "123";
String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));
httpWebReques...
How to track down a “double free or corruption” error
...{
char *x = malloc(100);
free(x);
free(x);
return 0;
}
[sand@PS-CNTOS-64-S11 testbox]$ vim t1.c
[sand@PS-CNTOS-64-S11 testbox]$ cc -g t1.c -o t1
[sand@PS-CNTOS-64-S11 testbox]$ ./t1
*** glibc detected *** ./t1: double free or corruption (top): 0x00000000058f7010 ***
======= Backtrace: =========...
How to compile a 64-bit application using Visual C++ 2010 Express?
Is there a simple way to compile a 64 bit app with the 32-bit edition of Visual C++ 2010 Express? What configurations, if any, are necessary?
...
eclipse升级后启动失败：Heap堆内存不足 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...or
!STACK 1
java.lang.OutOfMemoryError: Java heap space
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.addWaiter(AbstractQueuedSynchronizer.java:651)
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchron...
Reference — What does this symbol mean in PHP?
...allbacks that are expected to return a zero, negative, or positive integer based on a three-way comparison between two values. The comparison function passed to usort is one such example.
Before PHP 7 you would write...
$arr = [4,2,1,3];
usort($arr, function ($a, $b) {
if ($a < $b) {
...
What would cause an algorithm to have O(log n) complexity?
...f this.
Processing values one digit at a time
How many digits are in the base-10 number n? Well, if there are k digits in the number, then we'd have that the biggest digit is some multiple of 10k. The largest k-digit number is 999...9, k times, and this is equal to 10k + 1 - 1. Consequently, if...
How do I upload a file with metadata using a REST web service?
...D": "7a788f56fa49ae0ba5ebde780efe4d6a89b5db47"
}
Including the file data base64 encoded into the JSON request itself will increase the size of the data transferred by 33%. This may or may not be important depending on the overall size of the file.
Another approach might be to use a POST of the ra...
What is the advantage of GCC's __builtin_expect in if else statements?
...ect or not. On the other hand, the compiler can perform many optimizations based on the branch probability, such as organizing the code so the hot path is contiguous, moving code unlikely to be optimized further away or reducing its size, taking decisions about which branches to vectorize, better sc...