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Return value in a Bash function
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$(...) captures the text sent to stdout by the command contained within. return does not output to stdout. $? contains the result code of the last command.
fun1 (){
return 34
}
fun2 (){
fun1
local res=$?
echo $res
}
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How do you add CSS with Javascript?
How do you add CSS rules (eg strong { color: red } ) by use of Javascript?
14 Answers
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CSV in Python adding an extra carriage return, on Windows
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Python 3:
As described by YiboYang, set newline=''
with open('output.csv', 'w', newline='') as f:
writer = csv.writer(f)
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As noted in the comments by CoDEmanX, set newline='\n'
with open('output.csv', 'w', newline='\n', encoding='...
How to get child element by class name?
...hen filter the one whose className equals 4:
var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = doc.childNodes[i];
break;
}
}
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PowerShell: Store Entire Text File Contents in Variable
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This is should be the accepted answer. By the way, I'm pretty sure Get-Content worked even in earlier versions.
– MatteoSp
May 8 '15 at 12:17
10...
DateTime vs DateTimeOffset
... is a representation of instantaneous time (also known as absolute time). By that, I mean a moment in time that is universal for everyone (not accounting for leap seconds, or the relativistic effects of time dilation). Another way to represent instantaneous time is with a DateTime where .Kind is D...
What is a provisioning profile used for when developing iPhone applications?
...ces specified within the provisioning profile can be used for testing only by those individuals whose iPhone Development Certificates are included in the profile. A single device can contain multiple provisioning profiles.
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Best way to work with transactions in MS SQL Server Management Studio
...your code in a transaction, and then execute each batch of T-SQL code line by line.
For example,
Begin Transaction
-Do some T-SQL queries here.
Rollback transaction -- OR commit transaction
If you want to incorporate error handling you can do so by using a TRY...CATCH BLOCK. Should an...
How do I ignore files in a directory in Git?
...An optional prefix ! which negates the pattern; any matching file excluded by a previous pattern will become included again. If a negated pattern matches, this will override lower precedence patterns sources.
If the pattern ends with a slash, it is removed for the purpose of the following descriptio...
How to change port number for apache in WAMP
...rver and installed it on my system but after installing it when I check it by going to localhost url like this http://localhost/ in the browser it is not working. I am getting a 404 error and blank page .
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