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Aborting a shell script if any command returns a non-zero value?
...with
# trap COMMAND SIGNAME [SIGNAME2 SIGNAME3...]
trap "rm -f /tmp/$MYTMPFILE; exit 1" ERR INT TERM
command1
command2
command3
# Partially turn off the trap.
trap - ERR
# Now a control-C will still cause cleanup, but
# a nonzero exit code won't:
ps aux | grep blahblahblah
Or, especially if ...
What is a Proxy in Doctrine 2?
I just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc.
...
Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...t to know how to seperate the arguments so that they are two different %s. My mind coming from Java came up with this:
8 A...
How to get enum value by string or int
...
No, you don't want a generic method. This is much easier:
MyEnum myEnum = (MyEnum)myInt;
MyEnum myEnum = (MyEnum)Enum.Parse(typeof(MyEnum), myString);
I think it will also be faster.
share
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Resolve Type from Class Name in a Different Assembly
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You'll have to add the assembly name like this:
Type.GetType("MyProject.Domain.Model." + myClassName + ", AssemblyName");
To avoid ambiguity or if the assembly is located in the GAC, you should provide a fully qualified assembly name like such:
Type.GetType("System.String, mscorlib, ...
Proper Linq where clauses
I write a fair amount of linq in my day to day life, but mostly simple statements. I have noticed that when using where clauses, there are many ways to write them and each have the same results as far as I can tell. For example;
...
How to make a element expand or contract to its parent container?
... You’re right, great, that actually works for me. I guess my problem was the height and width properties in my svg root element.
– Adrian Heine
Jan 21 '12 at 19:16
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What is the function __construct used for?
...oding everything that is initiated or occurs. In other words this would be my cat class and how I would call it.
class_cat.php
class cat {
function speak() {
return "meow";
}
}
somepage.php
include('class_cat.php');
mycat = new cat;
$speak = cat->speak();
echo $speak;
Whe...
Batch file to copy files from one folder to another folder
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My favorite one to backup data is:
ROBOCOPY "C:\folder" "C:\new_folder" /mir
/mir is for mirror. You can also use /mov to move files. It reproduce the exact same folder. It can delete/overwrite files as needed. Works great f...
MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer
I'm using the DataType.Date attribute on my model and an EditorFor in my view. This is working fine in Internet Explorer 8 and Internet Explorer 9 , but in Google Chrome it is showing a date picker and instead of displaying the value it just displays "Month/Day/Year" in faded gray text.
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