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How to capitalize the first letter of a String in Java?
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String str = "java";
String cap = str.substring(0, 1).toUpperCase() + str.substring(1);
// cap = "Java"
With your example:
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
// Ac...
How to download and save a file from Internet using Java?
...w FileOutputStream("information.html");
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
Using transferFrom() is potentially much more efficient than a simple loop that reads from the source channel and writes to this channel. Many operating systems can transfer bytes directly from the sourc...
How to execute an .SQL script file using c#
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10 Answers
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Java SecurityException: signer information does not match
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answered May 20 '10 at 19:57
Michael BorgwardtMichael Borgwardt
320k7373 gold badges453453 silver badges688688 bronze badges
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...ass Dot {
static { Loader.load(); }
static float[] a = new float[50], b = new float[50];
static float dot() {
float sum = 0;
for (int i = 0; i < 50; i++) {
sum += a[i]*b[i];
}
return sum;
}
static native @MemberGetter FloatPointer a...
Measuring execution time of a function in C++
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270
It is a very easy-to-use method in C++11. You have to use std::chrono::high_resolution_clock fro...
Accurate way to measure execution times of php scripts
...turned does contain the microseconds... Best solution is to times this by 1000... see stackoverflow.com/questions/3656713/… as an example..
– Angry 84
Jun 2 '16 at 2:01
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]
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answered Feb 8 '10 at 13:38
adrianbanksadrianbanks
74.8k1919 gold badges162162 silver badges195195 bronze badges
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Oracle: If Table Exists
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+500
The best and most efficient way is to catch the "table not found" exception: this avoids the overhead of checking if the table exists...
Press alt + numeric in bash and you get (arg [numeric]) what is that?
...and then the command. For example, to give the C-d command an argument of 10, you could type 'M-1 0 C-d', which will delete the next ten characters on the input line.
For that to work, you have to know where the Meta key is mapped: sometimes it's Alt, sometimes it's Esc, cool computers have a dedic...