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Convert list to array in Java [duplicate]
...st = new ArrayList<Long>();
//Adding some long type values
list.add(100l);
list.add(200l);
list.add(300l);
//Converting the ArrayList to a Long
Long[] array = (Long[]) list.toArray(new Long[list.size()]);
//Printing the results
System.out.println(array[0] + " " + array[1] + " " + array[2]);...
How many random elements before MD5 produces collisions?
... collision, on average, you'll need to hash 6 billion files per second for 100 years.
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What is the facade design pattern?
...
100
Wikipedia has a great example of Facade pattern.
/* Complex parts */
class CPU {
public ...
versionCode vs versionName in Android Manifest
...the versionName attribute.
The value must be set as an integer, such as "100". You can define it however you want, as long as each successive version has a higher number. [...]
android:versionName
The version name shown to users. This attribute can be set as a raw string or as a reference to...
How do I copy a file in Python?
...
I am trying to randomly copy 100k files from 1 million files. copyfile is considerably faster than copy2
– Vijay
May 7 '14 at 8:31
4
...
How can I get a java.io.InputStream from a java.lang.String?
...tringBuilder sample = new StringBuilder();
while (sample.length() < 100 * 1000) {
sample.append("sample");
}
Writer writer = new OutputStreamWriter(
new DataHandler(), "UTF-16");
writer.write(sample.toString());
writer.close();
}
}
The JVM implementation I'm...
AWS S3: how do I see how much disk space is using
...Also this answer takes a very long time to compute for buckets bigger than 100 GB
– Vivek Katial
May 22 '19 at 0:13
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Is there an easy way to pickle a python function (or otherwise serialize its code)?
...= types.FunctionType(code, globals(), "some_func_name")
func(10) # gives 100
A few caveats:
marshal's format (any python bytecode for that matter) may not be compatable between major python versions.
Will only work for cpython implementation.
If the function references globals (including impor...
How do you manage your gists on GitHub? [closed]
...ows finding gists that would otherwise require clicking the "Older" button 100 times.
– tresf
Aug 3 '16 at 18:16
2
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Copy array items into another array
...ing a new array.
However, it seems that for large arrays (of the order of 100,000 members or more), this trick can fail. For such arrays, using a loop is a better approach. See https://stackoverflow.com/a/17368101/96100 for details.
var newArray = [];
newArray.push.apply(newArray, dataArray1);
new...