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Make virtualenv inherit specific packages from your global site-packages
...ch will contain just some libraries (which i chose) of the base python installation.
4 Answers
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echo that outputs to stderr
...criptors will refer to the same file: the one file descriptor #2 was originally referring to. For more information see the Bash Hackers Illustrated Redirection Tutorial.
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How can I concatenate NSAttributedStrings?
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NSMutableAttributedString *mutableAttString = [[NSMutableAttributedString alloc] init];
NSString *plainString = // ...
NSDictionary *attributes = // ... a dictionary with your attributes.
NSAttributedString *newAttString = [[NSAttributedString alloc] initWithString:plainString attributes:attribute...
Apache Spark: The number of cores vs. the number of executors
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To hopefully make all of this a little more concrete, here’s a worked example of configuring a Spark app to use as much of the cluster as
possible: Imagine a cluster with six nodes running NodeManagers, each
equipped with 16 cores and 64GB o...
Determine which MySQL configuration file is being used
...inux, then start the 'mysqld' with strace, for eg strace ./mysqld.
Among all the other system calls, you will find something like:
stat64("/etc/my.cnf", 0xbfa3d7fc) = -1 ENOENT (No such file or directory)
stat64("/etc/mysql/my.cnf", {st_mode=S_IFREG|0644, st_size=4227, ...}) = 0
open("/etc/...
PHP, get file name without file extension
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No need for all that. Check out pathinfo(), it gives you all the components of your path.
Example from the manual:
$path_parts = pathinfo('/www/htdocs/index.html');
echo $path_parts['dirname'], "\n";
echo $path_parts['basename'], "\n"...
WARNING: Can't verify CSRF token authenticity rails
... that you have <%= csrf_meta_tag %> in your layout
Add beforeSend to all the ajax request to set the header like below:
$.ajax({ url: 'YOUR URL HERE',
type: 'POST',
beforeSend: function(xhr) {xhr.setRequestHeader('X-CSRF-Token', $('meta[name="csrf-token"]').attr('content'))},
data: '...
Android SharedPreference security
... within the app's data directory with filesystem permissions set that only allow the UID that the specific application runs with to access them. So, they are private in so much as Linux file permissions restrict access to them, the same as on any Linux/Unix system.
Anyone with root level access to ...
How to “undelete” a deleted folder in Subversion / TortoiseSVN?
We have accidentally deleted the 'tags' folder from our Subversion repository where we only intended to delete one specific tag. What is the easiest way to get the 'tags' folder back?
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Recursive file search using PowerShell
I am searching for a file in all the folders.
8 Answers
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