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Test if executable exists in Python?
... write it (I admit my formulation was not clear enough in the fact that I know what which does).
– Piotr Lesnicki
Dec 18 '08 at 12:48
1
...
Print only?
...an onclick (as shown above), and pass the id of the div like I did above.
Now let's create a really simple javascript:
function printDiv(divName) {
var printContents = document.getElementById(divName).innerHTML;
var originalContents = document.body.innerHTML;
document.body.innerHTM...
Batch files - number of command line arguments
...pped in square brackets to empty square brackets (which is the only way I know of testing program or subprogram arguments which may contain quotes and was an overlooked leftover from trial-and-error phase) but was since fixed to how it is now.
...
Safely limiting Ansible playbooks to a single machine?
...Note the comma (,) at the end; this signals that it's a list, not a file.
Now, this won't protect you if you accidentally pass a real inventory file in, so it may not be a good solution to this specific problem. But it's a handy trick to know!
...
How to do ToString for a possibly null object?
...
C# 6.0 Edit:
With C# 6.0 we can now have a succinct, cast-free version of the orignal method:
string s = myObj?.ToString() ?? "";
Or even using interpolation:
string s = $"{myObj}";
Original Answer:
string s = (myObj ?? String.Empty).ToString();
or
strin...
Garbage collector in Android
... @ThomasPornin - On the other hand, as an application programmer, you know something that the OS does not know: times at which your app is now going to make a major change in how it uses memory, and that it would be less disruptive to the user experience to take a pause now, than at an arbitrar...
How to read a file into a variable in shell?
...n variables.
This affects both expansion and read solutions, and I don't know any good workaround for it.
Example:
printf "a\0b" | od -tx1
S="$(printf "a\0b")"
printf "$S" | od -tx1
Outputs:
0000000 61 00 62
0000003
0000000 61 62
0000002
Ha, our NUL is gone!
Workarounds:
ASCII encode. Se...
How to read the RGB value of a given pixel in Python?
...nately installing PIL is very straightforward in Linux and Windows (don't know about Mac)
– heltonbiker
Sep 28 '11 at 16:20
6
...
Semicolon before self-invoking function? [duplicate]
...ious to find if this is the next awesome thing in JavaScript that I don't know.
4 Answers
...
WebView and HTML5
... wb = (WebView) a.findViewById(R.id.webview);
a.initWebView();
}
But now I should say there are still an important issue. I can play it only once. The second time I click on the video dispatcher (either the poster or some play button), it does nothing.
I would also like the video to play insi...