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isset() and empty() - what to use
...has been set to NULL
Your code would be fine as:
<?php
$var = '23';
if (!empty($var)){
echo 'not empty';
}else{
echo 'is not set or empty';
}
?>
For example:
$var = "";
if(empty($var)) // true because "" is considered empty
{...}
if(isset($var)) //tr...
What are the differences between django-tastypie and djangorestframework? [closed]
...
205
As the author of django-rest-framework, I've got an obvious bias ;) but my hopefully-fairly-ob...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
I use
Rails 3.0.20 and
ruby 1.8.7 (2011-06-30 patchlevel 352)
4 Answers
4
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Is SHA-1 secure for password storage?
...bruteforce or dictionary attack. (The same is true for successors like SHA-256.) Depending on the circumstances, a hash function which was designed to be computationally expensive (such as bcrypt) might be a better choice.
...
Delete fork dependency of a GitHub repository
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|
edited Sep 22 '17 at 19:09
answered Apr 17 '13 at 6:13
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Need command line to start web browser using adb
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200
Running this command will start a web browser in android:
adb shell am start -a android.inten...
Resumable downloads when using PHP to send the file?
...tes ahead and send the next y - x bytes. Also set the response to HTTP/1.0 206 Partial Content.
Without having tested anything, this could work, more or less:
$filesize = filesize($file);
$offset = 0;
$length = $filesize;
if ( isset($_SERVER['HTTP_RANGE']) ) {
// if the HTTP_RANGE header is ...
Convert blob URL to normal URL
My page generates a URL like this: "blob:http%3A//localhost%3A8383/568233a1-8b13-48b3-84d5-cca045ae384f" How can I convert it to a normal address?
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Ruby: Change negative number to positive number?
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271
Using abs will return the absolute value of a number
-300.abs # 300
300.abs # 300
...
Difference between private, public, and protected inheritance
... |
edited Sep 1 '15 at 20:08
Matt Faus
5,33222 gold badges2020 silver badges3636 bronze badges
answer...