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how to show progress bar(circle) in an activity having a listview before loading the listview with d
...ists. SO, in the AsyncTask's onPreExecute() I use something like this:
// CAST THE LINEARLAYOUT HOLDING THE MAIN PROGRESS (SPINNER)
LinearLayout linlaHeaderProgress = (LinearLayout) findViewById(R.id.linlaHeaderProgress);
@Override
protected void onPreExecute() {
// SHOW THE SPINNER WHILE ...
Differences between fork and exec
...he "exec" functions to create the child process
execvp (argv[0], const_cast<char**>(argv));
} else { // This is the Parent Process
//Continue executing parent process
}
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R - Concatenate two dataframes?
... Nice. I just wanted to post the same answer :-) . One improvement: @Anton casted the NA to double in his answer. It would be nice when the type of the new column was the same type as the existing column in the other data frame. Maybe via mode(d2[d2.add[i]]) <- mode(d1[d2.add[i]]). But I am not s...
Show or hide element in React
...
!!someValue && <SomeElement /> // will render nothing as we cast the value to boolean
Reasons for using this approach instead of CSS 'display: none';
While it might be 'cheaper' to hide an element with CSS - in such case 'hidden' element is still 'alive' in react world (which migh...
How to convert SecureString to System.String?
...rtainly use the unsafe keyword and a char*, just call bstr.ToPointer() and cast.
– Ben Voigt
Jun 21 '16 at 16:23
@BenV...
SQL to determine minimum sequential days of access?
...I just didn't worry about it doing it here. It wouldn't be any faster than casting it to an int, but does have the flexibility to count hours, months, whatever.
– Rob Farley
Jul 24 '09 at 23:13
...
Null coalescing in powershell
...e unwanted whitespace round it:
$name = ([string]$row.td[0]).Trim()
The cast to string protects against the element being null and prevents any risk of Trim() failing.
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How to easily map c++ enums to strings
...(temp.str()); \
os << enumName << "::" << strings[static_cast<int>(value)]; \
return os;}
To use it in your code, simply do:
AWESOME_MAKE_ENUM(Animal,
DOG,
CAT,
HORSE
);
auto dog = Animal::DOG;
std::cout<<dog;
...
List of ANSI color escape sequences
...ete set of ANSI escape codes: ascii-table.com/ansi-escape-sequences-vt-100.php
– formixian
Mar 26 '18 at 19:18
4
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How to get UTC time in Python?
...%s"))
If you want microseconds, you need to change the export string and cast to float like: return float(now.strftime("%s.%f"))
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