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How can I suppress all output from a command using Bash?
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The following sends standard output to the null device (bit bucket).
scriptname >/dev/null
And if you also want error messages to be sent there, use one of (the first may not work in all shells):
scriptname &>/dev/null
scriptname >/dev/null 2>&1
scriptname >/de...
Checking a Python module version at runtime
...te which holds the version information for the module (usually something like module.VERSION or module.__version__ ), however some do not.
...
Converting unix timestamp string to readable date
...ing representing a unix timestamp (i.e. "1284101485") in Python, and I'd like to convert it to a readable date. When I use time.strftime , I get a TypeError :
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Making git diff --stat show full file path
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The git diff command takes optional values for --stat:
--stat[=<width>[,<name-width>[,<count>]]]
Generate a diffstat. You can override the default output width for
80-column terminal by --stat=<width>. The wid...
What is the maximum length of a URL in different browsers?
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Short answer - de facto limit of 2000 characters
If you keep URLs under 2000 characters, they'll work in virtually any combination of client and server software.
If you are targeting particular browsers, see below for more details specific limits.
Longer answer - first, the standa...
How do you use the ? : (conditional) operator in JavaScript?
...";
} else {
userType = "Adult";
}
if (userIsYoungerThan21) {
serveDrink("Grape Juice");
} else {
serveDrink("Wine");
}
This can be shortened with the ?: like so:
var userType = userIsYoungerThan18 ? "Minor" : "Adult";
serveDrink(userIsYoungerThan21 ? "Grape Juice" : "Wine");
Like all ex...
Mac zip compress without __MACOSX folder?
...fter many downvotes: I was using this option for some time ago and I don't know where I learnt it, so I can't give you a better explanation. Chris Johnson's answer is correct, but I won't delete mine. As one comment says, it's more accurate to what OP is asking, as it compress without those files, i...
How to compare two colors for similarity/difference
... to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
...
MySQL Insert Where query
...query as it stands will fail. Assuming your id column is unique or primary key:
If you're trying to insert a new row with ID 1 you should be using:
INSERT INTO Users(id, weight, desiredWeight) VALUES(1, 160, 145);
If you're trying to change the weight/desiredWeight values for an existing row wit...
Is it valid to have a html form inside another html form?
...in a single document, but the
FORM element can't be nested."
B. The Workaround
There are workarounds using JavaScript without needing to nest form tags.
"How to create a nested form." (despite title this is not nested form tags, but a JavaScript workaround).
Answers to this StackOverflow ques...