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Decode Base64 data in Java
I have an image that is Base64 encoded. What is the best way to decode that in Java? Hopefully using only the libraries included with Sun Java 6.
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Passing base64 encoded strings in URL
Is it safe to pass raw base64 encoded strings via GET parameters?
10 Answers
10
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Cannot ping AWS EC2 instance
... You should see something like:
PING 10.0.0.15 (10.0.0.15): 56 data bytes
64 bytes from 10.0.0.14: icmp_seq=1 ttl=64 time=3.9 ms
64 bytes from 10.0.0.14: icmp_seq=2 ttl=64 time=3.9 ms
64 bytes from 10.0.0.14: icmp_seq=3 ttl=64 time=10.6 ms
64 bytes from 10.0.0.14: icmp_seq=4 ttl=64 time=40.6 ms
64 ...
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
How can I tell if the JVM in which my application runs is 32 bit or 64-bit? Specifically, what functions or properties I can used to detect this within the program?
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How to find the last field using 'cut'
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96
It is not possible using just cut. Here is a way using grep:
grep -o '[^,]*$'
Replace the co...
MySQL Delete all rows from table and reset ID to zero
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84
If you cannot use TRUNCATE (e.g. because of foreign key constraints) you can use an alter table...
Colorizing text in the console with C++
... 93 103
Bright Blue 94 104
Bright Magenta 95 105
Bright Cyan 96 106
Bright White 97 107
Sample code for C/C++ :
#include <iostream>
#include <string>
int main(int argc, char ** argv){
printf("\n");
printf("\x1B[31mTexting\033[0m\t\t");
printf("\x1B[3...
File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
... File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希
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使...
Adding external library in Android studio
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96
Try this:
File > Project Structure > Dependencies Tab > Add module dependency (scope ...
Java - Convert integer to string [duplicate]
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840
There are multiple ways:
String.valueOf(number) (my preference)
"" + number (I don't know ho...