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Fast check for NaN in NumPy
...y, because it catches inf and neginf as well.
– Fred Foo
Jul 18 '11 at 20:27
2
This only catches ...
Can I escape a double quote in a verbatim string literal?
In a verbatim string literal (@"foo") in C#, backslashes aren't treated as escapes, so doing \" to get a double quote doesn't work. Is there any way to get a double quote in a verbatim string literal?
...
How do I set/unset a cookie with jQuery?
...ent path to the current one:
var cookieValue = $.cookie("test", { path: '/foo' });
UPDATE (April 2015):
As stated in the comments below, the team that worked on the original plugin has removed the jQuery dependency in a new project (https://github.com/js-cookie/js-cookie) which has the same func...
Java List.contains(Object with field value equal to x)
...s, you can check to see if a Collection contains a MyObject with the name "foo" by like so:
MyObject object = new MyObject();
object.setName("foo");
collection.contains(object);
However, this might not be an option for you if:
You are using both the name and location to check for equality, but ...
rsync: how can I configure it to create target directory on server?
...er than the file, at the endpoint you provide on the server. Normally /tmp/foo/bar/file.c to remote:/tmp would produce remote:/tmp/file.c but with -R it creates /tmp/foo/bar/file.c Don't use this option unless you know what you are doing, you will get a really messy directory structure.
...
JavaScript OR (||) variable assignment explanation
...lsy, otherwise the value of the first operand is returned.
For example:
"foo" || "bar"; // returns "foo"
false || "bar"; // returns "bar"
Falsy values are those who coerce to false when used in boolean context, and they are 0, null, undefined, an empty string, NaN and of course false.
...
Input with display:block is not a block, why not?
...;![endif]-->
</head>
<body>
<form name="foo" action="#">
<div class="bb">div</div>
<input class="bb" size="20" name="bar" value="field">
</form>
</body>
</html>
This solution supports Inte...
How to delete or add column in SQLITE?
...---
0 john doe 20 170
1 foo bar 25 171
Now you want to remove the column height from this table.
Create another table called new_person
sqlite> CREATE TABLE new_person(
...> id INTEGER PRIMARY KEY,
...
Design patterns or best practices for shell scripts [closed]
...ngful names. declare the variables inside the function as local:
function foo {
local bar="$0"
}
Error prone situations
In bash, unless you declare otherwise, an unset variable is used as an empty string. This is very dangerous in case of typo, as the badly typed variable will not be reported...
How to keep environment variables when using sudo
...efully, and pay attention to the -E flag. This works:
$ export HTTP_PROXY=foof
$ sudo -E bash -c 'echo $HTTP_PROXY'
Here is the quote from the man page:
-E, --preserve-env
Indicates to the security policy that the user wishes to preserve their
existing environment varia...