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How can I convert an image into a Base64 string?
...util.Log;
// You probably don't want to do this with large files
// (will allocate a large string and can cause an OOM crash).
private String readFileAsBase64String(String path) {
try {
InputStream is = new FileInputStream(path);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
...
How to initialize static variables
...t of times the array could potentially be initialized - i.e., lots of heap allocation. Since php is written in C, I'd imagine the translation would resolve to a function returning a pointer to an Array per call... Just my two cents.
– zeboidlund
Aug 22 '12 at ...
Reference — What does this symbol mean in PHP?
... constants: Although these are not just symbols but important part of this token family. There are eight magical constants that change depending on where they are used.
__LINE__: The current line number of the file.
__FILE__: The full path and filename of the file. If used inside an include, the n...
Make copy of an array
...t src.clone() is more readable and has far less opportunity for error than allocating a new array and doing arraycopy. (And also happens to be fast.)
– Brian Goetz
Mar 17 at 14:03
...
Regular expression to match a word or its prefix
...u need the match or not. If you don't, better use the non-capture group to allocate more memory for calculation instead of storing something you will never need to use.
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Deleting a file in VBA
... has much more work to do. Additionally, avoid using "" in VB as it always allocates a new string. Use vbNullString instead as it is a constant and does not uses more memory.
– Renaud Bompuis
Nov 12 '14 at 2:25
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How to convert std::string to LPCSTR?
...rong. Perhaps, check GetLastError() and log.
return;
}
// Allocate new LPWSTR - must deallocate it later
LPWSTR widestr = new WCHAR[bufferlen + 1];
::MultiByteToWideChar(CP_ACP, 0, instr.c_str(), instr.size(), widestr, bufferlen);
// Ensure wide string is null terminat...
Good examples using java.util.logging [closed]
...hat GC will have to keep up with. Object[] as above is cheap, on the stack allocation usually.
With exception handling, always log the complete exception details:
try {
...something that can throw an ignorable exception
} catch( Exception ex ) {
LOGGER.log( Level.SEVERE, ex.toString(), e...
How would you count occurrences of a string (actually a char) within a string?
... Note that the reason this is so slow is that it creates n strings, thus allocating roughly n^2/2 bytes.
– Peter Crabtree
Feb 7 '13 at 19:32
6
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Safely casting long to int in Java
...
Well, it's allocating and throwing away a BigDecimal just to get at what should be a utility method, so yeah, that's not the best process.
– Riking
Apr 23 '14 at 20:28
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