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Jump to function definition in vim
...ns in the background and analyses your whole project in real time exposing extra capabilities to your editor (any editor, not only vim). You get things like:
namespace aware tag completion
jump to definition
jump to next / previous error
find all references to an object
find all interface implemen...
Safe characters for friendly url [closed]
...etter off using a "white list" of allowed characters and then encoding the string rather than trying to stay abreast of characters that are disallowed by servers and systems.
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Print string to text file
... Amount: {}".format(TotalAmount), file=text_file)
Python3.6 introduced f-strings for another alternative
with open("Output.txt", "w") as text_file:
print(f"Purchase Amount: {TotalAmount}", file=text_file)
share
...
Spring MVC: How to return image in @ResponseBody?
...E_PNG_VALUE)
public @ResponseBody byte[] showImageOnId(@PathVariable("id") String id) {
byte[] b = whatEverMethodUsedToObtainBytes(id);
return b;
}
In this case do rememeber to configure the messageconverters properly (and add a ByteArrayHttpMessageConverer) in your WebMvcConfig, like so:
...
How do you determine the ideal buffer size when using FileInputStream?
...buffer size. If you pick a size that's too small, you'll waste time doing extra I/O operations and extra function calls. If you pick a size that's too big, you'll start seeing a lot of cache misses which will really slow you down. Don't use a buffer bigger than your L2 cache size.
...
Two-way encryption: I need to store passwords that can be retrieved
...verification of source data
*
*/
class Encryption {
/**
* @var string $cipher The mcrypt cipher to use for this instance
*/
protected $cipher = '';
/**
* @var int $mode The mcrypt cipher mode to use
*/
protected $mode = '';
/**
* @var int $rounds The...
PostgreSQL function for last inserted ID
...s some TRIGGER (or RULE) that, on insertion into persons table, makes some extra insertions in other tables... then LASTVAL will probably give us the wrong value. The problem can even happen with CURRVAL, if the extra insertions are done intto the same persons table (this is much less usual, but the...
How can I time a code segment for testing performance with Pythons timeit?
...de into a function is a step I was looking for -since simply making code a string and evaling is not going to fly for anything not completely trivial. thx
– javadba
Sep 28 '18 at 22:18
...
Get name of current script in Python
...using the -c command line option to the interpreter, argv[0] is set to the string '-c'. If no script name was passed to the Python interpreter, argv[0] is the empty string.
As mentioned in another answer to this question, Python scripts that were converted into stand-alone executable programs via t...
Android AsyncTask testing with Android Test Framework
...ask you want to unit test in your project.
*/
final AsyncTask<String, Void, String> myTask = new AsyncTask<String, Void, String>() {
@Override
protected String doInBackground(String... arg0) {
//Do something meaningful.
return "something...