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install / uninstall APKs programmatically (PackageManager vs Intents)
...ler = packageManger.getPackageInstaller();
PackageInstaller.SessionParams params = new PackageInstaller.SessionParams(
PackageInstaller.SessionParams.MODE_FULL_INSTALL);
params.setAppPackageName(packageName);
int sessionId = 0;
try {
sessio...
Why can templates only be implemented in the header file?
...
template<typename T>
struct Foo
{
T bar;
void doSomething(T param) {/* do stuff using T */}
};
// somewhere in a .cpp
Foo<int> f;
When reading this line, the compiler will create a new class (let's call it FooInt), which is equivalent to the following:
struct FooInt
{
i...
Check if a value is within a range of numbers
... scenario.
/**
* Checks if an integer is within ±x another integer.
* @param {int} op - The integer in question
* @param {int} target - The integer to compare to
* @param {int} range - the range ±
*/
function nearInt(op, target, range) {
return op < target + range && op > t...
How to export DataTable to Excel
... /// Export DataTable to Excel file
/// </summary>
/// <param name="DataTable">Source DataTable</param>
/// <param name="ExcelFilePath">Path to result file name</param>
public static void ExportToExcel(this System.Data.DataTable DataTable, string Excel...
How to remove the left part of a string?
...ere, too).
Or you can split the line at the first =:
if "=" in line:
param, value = line.split("=",1)
Then param is "Path" and value is the rest after the first =.
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What is a clean, pythonic way to have multiple constructors in Python?
...is None:
...
Now if you want complete freedom of adding more parameters:
class Cheese():
def __init__(self, *args, **kwargs):
#args -- tuple of anonymous arguments
#kwargs -- dictionary of named arguments
self.num_holes = kwargs.get('num_holes',random_holes...
How should I use try-with-resources with JDBC?
... public PreparedStatementWrapper(Connection con, String query, Object ... params) throws SQLException {
this.stat = con.prepareStatement(query);
this.prepareStatement(params);
}
protected abstract void prepareStatement(Object ... params) throws SQLException;
public Res...
How to split long commands over multiple lines in PowerShell
...other method for cleaner argument passing would be splatting.
Define your parameters and values as a hashtable like this:
$params = @{ 'class' = 'Win32_BIOS';
'computername'='SERVER-R2';
'filter'='drivetype=3';
'credential'='Administrator' }
And then call ...
Should I use @EJB or @Inject
...se see comments for details.
I switched from @Inject to @EJB because @EJB allows circular injection whereas @Inject pukes on it.
Details: I needed @PostConstruct to call an @Asynchronous method but it would do so synchronously. The only way to make the asynchronous call was to have the original ca...
URL encoding in Android
...rse("http://...")
.buildUpon()
.appendQueryParameter("key", "val")
.build().toString();
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