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Easy way to test a URL for 404 in PHP?
...r is linked in $url. */
$response = curl_exec($handle);
/* Check for 404 (file not found). */
$httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE);
if($httpCode == 404) {
/* Handle 404 here. */
}
curl_close($handle);
/* Handle $response here. */
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How to compile and run C/C++ in a Unix console/Mac terminal?
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If it is a simple single source program:
make foo
where the source file is foo.c or foo.cpp, etc.
You dont even need a makefile. Make has enough built-in rules to build your source file into an executable of the same name, minus extension.
Running the executable just built is the same as r...
How can I echo HTML in PHP?
...ey are only available if enabled with short_open_tag php.ini configuration file directive, or if PHP was configured with the --enable-short-tags option. They are available, regardless of settings from 5.4 onwards.
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Check if a folder exist in a directory and create them using C#
...t of path is invalid. The path parameter specifies a directory path, not a file path. If the directory already exists, this method does nothing.
(This also means that all directories along the path are created if needed: CreateDirectory(@"C:\a\b\c\d") suffices, even if C:\a does not exist yet.)
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Remove autolayout (constraints) in Interface Builder
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Found the answer here
Go to the File inspector in interface builder, and untick "Use Auto Layout".
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URL Encoding using C#
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For FTP each Uri part (folder or file name) may be constructed using Uri.EscapeDataString(fileOrFolderName) allowing all non Uri compatible character (spaces, unicode ...). For example to allow any character in filename, use: req =(FtpWebRequest)Web...
Understanding the basics of Git and GitHub [closed]
...u don't use GitHub. An alternative to using GitHub could be running Git on files hosted on Dropbox, but GitHub is a more streamlined service as it was made especially for Git.
How does Git compare to a backup system such as Time Machine?
It's a different thing, Git lets you track changes and yo...
In Python, how do I read the exif data for an image?
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You can also use the ExifRead module:
import exifread
# Open image file for reading (binary mode)
f = open(path_name, 'rb')
# Return Exif tags
tags = exifread.process_file(f)
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Best way to add Activity to an Android project in Eclipse?
...s other steps you need to do by hand (e.g. adding an entry to the manifest file). If you want those steps to be automated, you can create the activity via the manifest editor like this:
Double click on AndroidManifest.xml in the package explorer.
Click on the "Application" tab of the manifest edit...
How do I match any character across multiple lines in a regular expression?
...s sed 'H;1h;$!d;x; s/\(.*\)><Foobar>/\1/' (H;1h;$!d;x; slurps the file into memory). If whole lines must be included, sed '/start_pattern/,/end_pattern/d' file (removing from start will end with matched lines included) or sed '/start_pattern/,/end_pattern/{{//!d;};}' file (with matching lin...