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Can you nest html forms?
... I agree with the answer, but to ask another, why not? Why does HTML not allow for nesting forms? To me, it appears to be a limitation that we would be better off without. There are many examples where using nested forms would be easier to program (i.e. using an upload photo form with a profile ed...
How can I quickly sum all numbers in a file?
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For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -nle '$sum += $_ } END ...
How can I prevent SQL injection in PHP?
...is way it is impossible for an attacker to inject malicious SQL.
You basically have two options to achieve this:
Using PDO (for any supported database driver):
$stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name');
$stmt->execute([ 'name' => $name ]);
foreach ($stmt as $...
JavaScript open in a new window, not tab
I have a select box that calls window.open(url) when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page to open in a new window, not a new tab.
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How to keep a git branch in sync with master
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You will have quite a few "merge commits", essentially git trying to resolve differences between your branches. if you're worried about that AND you're the only one using the branch then do a "git rebase master" instead of a "git merge master" AND DO NOT PUSH THE COMMITS TO ...
Why isn't ProjectName-Prefix.pch created automatically in Xcode 6?
Why isn't ProjectName-Prefix.pch created automatically in Xcode 6 ?
8 Answers
8
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Binding an enum to a WinForms combo box, and then setting it
...dView.CurrentRow.Cells["comboColumnCell"].Value. I can see value but internally it throws null pointer exception
– ssal
Jun 5 '14 at 17:18
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What is the meaning of “non temporal” memory accesses in x86
...e needed again in favor of data which will not be used soon. This is especially true for large data structures, like matrices, which are filled and then used later. Before the last element of the matrix is filled the sheer size evicts the first elements, making caching of the writes ineffective.
Fo...
MySql server startup error 'The server quit without updating PID file '
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Did you follow the instructions from brew install mysql?
Set up databases to run AS YOUR USER ACCOUNT with:
For mysql 5.x:
unset TMPDIR
mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp
To set...
How can I get list of values from dict?
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You can use * operator to unpack dict_values:
>>> d = {1: "a", 2: "b"}
>>> [*d.values()]
['a', 'b']
or list object
>>> d = {1: "a", 2: "b"}
>>> list(d.values())
['a', 'b']
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