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How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
...sity, what benefit does using SimpleDateFormat bring over just: dateTime.ToString("yyyy-MM-dd HH:mm:ss.SSS") ?
– NickG
May 8 '13 at 9:43
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Difference between Java Enumeration and Iterator
...CC, EEE. ----------------------------------------------------- Vector<String> v=new Vector<String>(6); v.add("AAA"); v.add("BBB"); v.add("CCC"); v.add("DDD"); v.add("EEE"); v.add("FFF"); Enumeration<String> en = v.elements(); while(en.hasMoreElements()) String value=(String) en.n...
How to attach javadoc or sources to jars in libs folder?
...f you are only going to link the Javadoc and not the source code, I had to extract the Javadoc jar with 7zip to a folder in My Documents, then have the properties file point to the folder with the Javadoc index.html directly like so doc=C:\\Users\\johny\\workspacenewfb\\robotium-solo-4.0-javadoc
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(Built-in) way in JavaScript to check if a string is a valid number
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To check if a variable (including a string) is a number, check if it is not a number:
This works regardless of whether the variable content is a string or number.
isNaN(num) // returns true if the variable does NOT contain a valid number
Examples
i...
List of Delphi language features and version in which they were introduced/deprecated
... easier.
Inline variables with automatic type inference
8 bit AnsiChar/AnsiString support in enable on Linux.
C++Builder and Delphi now use the same ABI for all calls.
Delphi 10.2 Tokyo
Support for Linux server apps (Intel 64-bit using LLVM and ARC).
Assigning a dynamic arrays to a pointer usi...
Why does changing 0.1f to 0 slow down performance by 10x?
...ormance!!!
Denormal (or subnormal) numbers are kind of a hack to get some extra values very close to zero out of the floating point representation. Operations on denormalized floating-point can be tens to hundreds of times slower than on normalized floating-point. This is because many processors ca...
Differences between TCP sockets and web sockets, one more time [duplicate]
...ou can do message based communication using TCP sockets, but you need some extra layer/encapsulation that is adding framing/message boundary data to the messages so that the original messages can be re-assembled from the pieces. In fact, WebSockets is built on normal TCP sockets and uses frame heade...
Is there a RegExp.escape function in Javascript?
I just want to create a regular expression out of any possible string.
15 Answers
15
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How can I convert byte size into a human-readable format in Java?
...o human readable format | Programming.Guide
SI (1 k = 1,000)
public static String humanReadableByteCountSI(long bytes) {
if (-1000 < bytes && bytes < 1000) {
return bytes + " B";
}
CharacterIterator ci = new StringCharacterIterator("kMGTPE");
while (bytes <= ...
Why do people say there is modulo bias when using a random number generator?
... particularly hard to avoid in computing, where numbers are represented as strings of bits: 0s and 1s. Finding truly random sources of randomness is also extremely difficult, but is beyond the scope of this discussion. For the remainder of this answer, assume that there exists an unlimited source of...