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Is it better practice to use String.format over string Concatenation in Java?
...new executable with different code for each language.
If you plan on your app being localisable you should also get into the habit of specifying argument positions for your format tokens as well:
"Hello %1$s the time is %2$t"
This can then be localised and have the name and time tokens swapped w...
strdup() - what does it do in C?
...n is guaranteed to run only on Solaris or Linux (by the very nature of the app).
– Patrick Schlüter
Dec 30 '11 at 13:01
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Where does git config --global get written to?
... said it's at %USERPROFILE%. On my computer HOMEDRIVE and HOMEPATH are remapped to a network drive. Searches on my local drive were coming up with nothing. So this helped a lot.
– Mike M. Lin
Aug 9 '11 at 18:11
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Simplest way to read json from a URL in java
...StringBuilder();
int cp;
while ((cp = rd.read()) != -1) {
sb.append((char) cp);
}
return sb.toString();
}
public static JSONObject readJsonFromUrl(String url) throws IOException, JSONException {
InputStream is = new URL(url).openStream();
try {
BufferedReader...
How do I copy an object in Java?
...can use Java Object Serialization to make a deep copy. Unfortunately, this approach has some problems too(detailed examples).
Possible Problems:
clone is tricky to implement correctly.
It's better to use Defensive copying, copy constructors(as @egaga reply) or static factory methods.
If you hav...
How do you find all subclasses of a given class in Java?
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Interesting. The project appears to have some dependancies which their documentation doesn't seem to mention. Namely (the ones I found so far): javaassist, log4J, XStream
– Avrom
Jan 29 '09 at 16:51
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Java NIO FileChannel versus FileOutputstream performance / usefulness
...is buffer size is ripe for tuning. I've settled on 4KB for one part of my application, 256KB for another. I suspect your code is suffering with such a large buffer. Run some benchmarks with buffers of 1KB, 2KB, 4KB, 8KB, 16KB, 32KB and 64KB to prove it to yourself.
Don't perform java benchmarks ...
Download large file in python with requests
...er failure. f.flush() makes the code slower here for no reason. The flush happens when the correponding file buffer (inside app) is full. If you need more frequent writes; pass buf.size parameter to open().
– jfs
Sep 28 '15 at 19:08
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How do I auto-reload a Chrome extension I'm developing?
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when you call chrome.runtime.reload(), what actually happens? do multiple pages/tabs refresh?
– Alexander Mills
Jan 1 '18 at 23:22
5
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How to use executables from a package installed locally in node_modules?
How do I use a local version of a module in node.js . For example, in my app, I installed coffee-script:
22 Answers
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