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How to create a bash script to check the SSH connection?
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You can check this with the return-value ssh gives you:
$ ssh -q user@downhost exit
$ echo $?
255
$ ssh -q user@uphost exit
$ echo $?
0
EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhost -PN -...
Use String.split() with multiple delimiters
...ns = pdfName.split("-|\\.");
What you have will match:
[DASH followed by DOT together] -.
not
[DASH or DOT any of them] - or .
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How to read/write a boolean when implementing the Parcelable interface?
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Here's how I'd do it...
writeToParcel:
dest.writeByte((byte) (myBoolean ? 1 : 0)); //if myBoolean == true, byte == 1
readFromParcel:
myBoolean = in.readByte() != 0; //myBoolean == true if byte != 0
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Safely turning a JSON string into an object
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@vsync you do realise that this is the ONLY Pure Javascript Answer... if you read the description for the javascript tag you will see this... "Unless a tag for a framework/library is also included, a pure JavaScript answer is expected."...
How to find the foreach index?
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foreach($array as $key=>$value) {
// do stuff
}
$key is the index of each $array element
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How can I set the color of a selected row in DataGrid
...nge the background brush for a selected row.
– Gatmando
Jan 6 '11 at 14:32
5
wounderfull. Any ide...
Does Android keep the .apk files? if so where?
After android installs an application from the Marketplace, does it keep the .apk file?
19 Answers
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Android Fragment lifecycle over orientation changes
...iner, fragment);
fragmentTransaction.commit();
} else {
// do nothing - fragment is recreated automatically
}
Be warned though: problems will occur if you try and access Activity Views from inside the Fragment as the lifecycles will subtly change. (Getting Views from a parent Activ...
Append value to empty vector in R?
... <- 1; b <- append(b, 2). But as you mention, c() is a more R way of doing things.
– juanbretti
Jul 29 '17 at 18:48
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Execute stored procedure with an Output parameter?
...pted.
SSMS will then generate the code to run the proc in a new query window, and execute it for you. You can study the generated code to see how it is done.
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