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Install an apk file from command prompt?
...nstall filename.apk.
A good reference for adb is Here
install [options] <PATH> Installs a package (specified by <PATH>) to the system.
Options:
-l: Install the package with forward lock.
-r: Reinstall an exisiting app, keeping its data.
-t: Allow test APKs to be installed.
-i <I...
Reverting a single file to a previous version in git [duplicate]
...s this:
# get the version of the file from the given commit
git checkout <commit> path/to/file
# and commit this modification
git commit
(The checkout command first reads the file into the index, then copies it into the work tree, so there's no need to use git add to add it to the index in ...
How long do browsers cache HTTP 301s?
...se of cache control directives that specify otherwise, a 301 redirect defaults to being cached without any expiry date.
That is, it will remain cached for as long as the browser's cache can accommodate it. It will be removed from the cache if you manually clear the cache, or if the cache entries ar...
jQuery get textarea text
...he value of the input box to the server for processing, and append the result to the console messages div.
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Numpy first occurrence of value greater than existing value
....argmax(aa>5)
Since argmax will stop at the first True ("In case of multiple occurrences of the maximum values, the indices corresponding to the first occurrence are returned.") and doesn't save another list.
In [2]: N = 10000
In [3]: aa = np.arange(-N,N)
In [4]: timeit np.argmax(aa>N/2)
...
How can I get the SQL of a PreparedStatement?
...
Although this is functionally true, there's nothing preventing utility code from reconstructing an equivalent unprepared statement. For example, in log4jdbc: "In the logged output, for prepared statements, the bind arguments ...
Rails - controller action name to string
...
If you want to use this in a before_filter with a block, do before_filter { |controller| ... }. stackoverflow.com/questions/2669663/…
– Benjamin Oakes
Feb 5 '13 at 17:43
...
Checking for an empty field with MySQL
...assoc($res)) {
foreach($row as $key => $field) {
echo "<br>";
if(empty($row[$key])){
echo $key." : empty field :"."<br>";
}else{
echo $key." =" . $field."<br>";
}
}
}
...
What does the Ellipsis object do?
...es not seem to be or do anything special, but it's a globally available builtin.
11 Answers
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Difference between class and type
...shows that class type includes those
generic classes too.
class Example<T>{
}
The class type will be called Example
In short , a class type covers our enums , our regular (non generic) classes like String etc and our generic classes too.
Similarly , I hope interface and array types is ...