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How to check if a process id (PID) exists
...e process ID column with no header. The quotes are necessary for non-empty string operator -n to give valid result.
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How to list all properties of a PowerShell object
...nstructions that can affect either the table or list formats. These are usually meant to limit the display of reams of properties down to just the essential properties. However there are times when you really want to see everything. In those cases Format-List * will show all the properties. Note tha...
How set maximum date in datepicker dialog in android?
...calendar.set(Calendar.DAY_OF_MONTH, day_of_month);
String myFormat = "dd/MM/yyyy";
SimpleDateFormat sdf = new SimpleDateFormat(myFormat, Locale.getDefault());
your_edittext.setText(sdf.format(calendar.getTime()));
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Using variables inside a bash heredoc
... the
lines in the here-document are not expanded. If word is unquoted, all
lines of the here-document are subjected to parameter expansion, command substitution, and arithmetic expansion. [...]
If you change your first example to use <<EOF instead of << "EOF" you'll find that i...
Is Disney's FastPass Valid and/or Useful Queue Theory
...go to 3 rides while being in the FastPass virtual queue. They also gave us extra uncounted FastPasses to some very unpopular rides, if we used those we would get some load off the more popular rides and fill the very unpopular ones.
Here's a graphic comparing the time we spent vs the non-fastpass o...
How to open link in new tab on html?
...
The special targets all start with an underscore. blank would be the name of a frame or window. It may seem to work, because a new window or tab will probably be opened when none exists with the name 'blank', but a second click on the link shoul...
How to style the option of an html “select” element?
...ect>
MDBootstrap ($ & Bootstrap & JQuery)
If you have extra money, you can use a premium library MDBootstrap. (This is an entire UI Kit, so it's not light)
This allows you to style your select and option elements using the Material design.
There is a free version, but it wo...
Xcode doesn't show the line that causes a crash
Every time my app crashes Xcode highlights the UIApicationMain() call in the main() function as the line that caused the crash. In some cases that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the con...
How to create an array containing 1…N
...want an array of numbers 1..n that you can later loop through.
If this is all you need, can you do this instead?
var foo = new Array(45); // create an empty array with length 45
then when you want to use it... (un-optimized, just for example)
for(var i = 0; i < foo.length; i++){
document.w...
Do I need to explicitly call the base virtual destructor?
...the destructor again as virtual on the inheriting class, but do I need to call the base destructor?
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