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Lightweight Java Object cache API [closed]
...HashMap to implement a simple cache without third party jars:
Map <String, Foo> cache = new LinkedHashMap<String, Foo>(MAX_ENTRIES + 1, .75F, true) {
public boolean removeEldestEntry(Map.Entry<String, Foo> eldest) {
return size() > MAX_ENTRIES;
...
How do I create delegates in Objective-C?
I know how delegates work, and I know how I can use them.
19 Answers
19
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Obfuscated C Code Contest 2006. Please explain sykes2.c
...
__TIME__ is a special macro defined by the preprocessor. It expands to a string constant containing the time at which the preprocessor was run, in the form "HH:MM:SS". Observe that it contains exactly 8 characters. Note that 0-9 have ASCII values 48 through 57 and : has ASCII value 58. The output ...
Animated GIF in IE stopping
... not work for me.
After some more research I came across this workaround, and it actually does work.
Here is the gist of it:
function showProgress() {
var pb = document.getElementById("progressBar");
pb.innerHTML = '<img src="./progress-bar.gif" width="200" height ="40"/>';
pb.s...
Best practice for instantiating a new Android Fragment
...ent.
Bundle args = new Bundle();
args.putInt("someInt", someInt);
args.putString("someString", someString);
// Put any other arguments
myFragment.setArguments(args);
Its a good way to tell other classes what arguments it expects to work faithfully(though you should be able to handle cases if no ar...
How to get nice formatting in the Rails console
...
The y method is a handy way to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y...
Chrome: Uncaught SyntaxError: Unexpected end of input
... same error, because I was using JSON.parse(text) and text value was empty string
– A Khudairy
Feb 24 '15 at 16:50
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show 2 more comments
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setTimeout or setInterval?
... the setTimeout approach, since setTimeout waits 1000ms, runs the function and then sets another timeout. So the wait period is actually a bit more than 1000ms (or a lot more if your function takes a long time to execute).
Although one might think that setInterval will execute exactly every 1000ms,...
Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
...l state such as a cache. For example:
class HashTable
{
...
public:
string lookup(string key) const
{
if(key == lastKey)
return lastValue;
string value = lookupInternal(key);
lastKey = key;
lastValue = value;
return value;
}
priv...
Clear text from textarea with selenium
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It may be an issue with conflicting selenium and chromedriver versions. It seems unlikely that the devs would remove this functionality from chromedriver deliberatly.
– Isaac
Sep 12 '15 at 15:25
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