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Any equivalent to .= for adding to beginning of string in PHP?

...quired parameter of the function, it needs to be passed to the function or PHP will complain. This means this check can be abbreviated to if ($chunk) (to see if it's falsy a.k.a. "empty"). But, if $chunk doesn't contain anything, nothing will happen anyway. So this whole function body can be abbrevi...
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What does MVW stand for?

...as the point is to understand the concepts from the terms, but by the same token, fully understanding the terms helps one when they are designing their application code, knowing what goes where and why. share | ...
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How can I remove a key and its value from an associative array?

...oop, then you need to prepend an ampersand to your enumeration variable to allow write access. – FreeAsInBeer Jul 30 '12 at 21:20 1 ...
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Generating Guids in Ruby

... How to create small, unique tokens in Ruby >> require 'digest' => [] >> Digest::SHA1.hexdigest("some-random-string")[8..16] => "2ebe5597f" >> SecureRandom.base64(8).gsub("/","_").gsub(/=+$/,"") => "AEWQyovNFo0" >> ra...
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Can linux cat command be used for writing text to file?

...text file: cat > output.txt <<EOF some text some lines EOF For PHP file: cat > test.php <<PHP <?php echo "Test"; echo \$var; ?> PHP share | improve this answer ...
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Do I have to guard against SQL injection if I used a dropdown?

... make sure the posted size is what you expect. $possibleOptions = array('All', 'Large', 'Medium', 'Small'); if(in_array($_POST['size'], $possibleOptions)) { // Expected } else { // Not Expected } Then use mysqli_* if you are using a version of php >= 5.3.0 which you should be, to sav...
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“’” showing on page instead of “ ' ”

...hich varies depending on the configuration. If this is your issue, then usually just altering the table to use UTF-8 is sufficient. If your database doesn't support that, you'll need to recreate the tables. It is good practice to set the encoding of the table when you create it. You're most likely u...
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How can I open several files at once in Vim?

Is there a way to open all the files in a directory from within Vim? So a :command that would say in effect "Open all the files under /some/path into buffers". ...
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nginx server_name wildcard or catch-all

... is an admin console on admin.domain.com . These work great. Now I'd like all other domain requests to go to a single index.php - I have loads of domains and subdomains and it's impractical to list them all in an nginx config. ...
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i

I have this error when trying to browse php files locally 8 Answers 8 ...