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How do I capture the output into a variable from an external process in PowerShell?
...om multiple commands, use either a subexpression ($(...)) or call a script block ({ ... }) with & or .:
$cmdOutput = $(<command>; ...) # subexpression
$cmdOutput = & {<command>; ...} # script block with & - creates child scope for vars.
$cmdOutput = . {<command>; ......
Do you (really) write exception safe code? [closed]
...tion-safe code in C++ is not so much about using lots of try { } catch { } blocks. It's about documenting what kind of guarantees your code provides.
I recommend reading Herb Sutter's Guru Of The Week series, in particular installments 59, 60 and 61.
To summarize, there are three levels of excepti...
How to document Ruby code?
...
Having used mostly C++, Java, Scala and PHP, I find the @tag notation very familiar.
– doub1ejack
Dec 30 '16 at 23:13
1
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How do I uniquely identify computers visiting my web site?
...es JSONP (Wikipedia)
example.com/assets/js/tracking.js (actually tracking.php)
var now = new Date();
var window.__sid = "SessionID"; // Server generated
setCookie("sid", window.__sid, now.setFullYear(now.getFullYear() + 1, now.getMonth(), now.getDate() - 1));
if( "localStorage" in window ) {
w...
Deleting an object in java?
...
You should remove the references to it by assigning null or leaving the block where it was declared. After that, it will be automatically deleted by the garbage collector (not immediately, but eventually).
Example 1:
Object a = new Object();
a = null; // after this, if there is no reference to ...
convert UIImage to NSData
...t compression (or best quality).
You can also put this code inside a GCD block and execute in another thread, showing an UIActivityIndicatorView during the process ...
//*code to show a loading view here*
dispatch_queue_t myQueue = dispatch_queue_create("com.my.queue", DISPATCH_QUEUE_SERIAL);
d...
Task vs Thread differences [duplicate]
...neric task, by getting the Result property). Like Thread.Join(), this will block the calling thread until the task finishes. Synchronously waiting for a task is usually bad idea; it prevents the calling thread from doing any other work, and can also lead to deadlocks if the task ends up waiting (eve...
How to move out of auto-completed brackets in IntelliJ IDEA (without using the arrow keys)?
...
Intellij supports the ctrl+shift+m shortcut that jumps to the end of the block:
https://www.jetbrains.com/help/idea/2016.2/navigating-to-braces.html
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Trim string in JavaScript?
... this only trims whitespace (newline) .. it does not work like php trim , where you can trim characters as well
– Jeffz
Jun 22 '13 at 20:43
...
Save bitmap to location
...at can be compressed as a JPEG with a compression rate of 85% :
// Assume block needs to be inside a Try/Catch block.
String path = Environment.getExternalStorageDirectory().toString();
OutputStream fOut = null;
Integer counter = 0;
File file = new File(path, "FitnessGirl"+counter+".jpg"); // the F...