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How to select a node using XPath if sibling node has a specific value?
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Rails 3 execute custom sql query without a model
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github.com/igorkasyanchuk/execute_sql less code is needed plus you can do it in directly rails console
– Igor Kasyanchuk
Mar 13 '19 at 21:58
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Window vs Page vs UserControl for WPF navigation?
...tent = new MyUserControl();
But if you're working with WPF, I'd highly recommend the MVVM design pattern. I have a very basic example on my blog that illustrates how you'd navigate using MVVM, using this pattern:
<Window x:Class="SimpleMVVMExample.ApplicationView"
xmlns="http://schemas...
Is there an equivalent of 'which' on the Windows command line?
... I would like to be able to find the full path to a program on the Windows command line, given just its name.
26 Answers
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PHP: How to check if image file exists?
...uotation marks at least (as string):
if (file_exists('http://www.mydomain.com/images/'.$filename)) {
… }
Also, make sure $filename is properly validated. And then, it will only work when allow_url_fopen is activated in your PHP config
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Remove all classes that begin with a certain string
...ill be used with a better regex, such as the one found here: stackoverflow.com/a/2644364/1333402
– ssmith
Feb 7 '14 at 0:05
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Django Template Variables and Javascript
...as introduced a built in template filter just for this: docs.djangoproject.com/en/2.1/ref/templates/builtins/…
– Jon Sakas
Jan 19 '19 at 19:55
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minimize app to system tray
...show the
balloon tip that shows some information. Once the WindowState becomes
FormWindowState.Normal, disable the NotifyIcon object by setting its
Visible property to false. Now, you want the window to reappear when
you double click on the NotifyIcon object in the taskbar. For this,
handl...
How to detect DIV's dimension changed?
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Please do not use the jQuery onresize plugin as it uses setTimeout() in combination with reading the DOM clientHeight/clientWidth properties in a loop to check for changes. This is incredible slow and inaccurate since it causes layout thrashing.
Disclosure: I am directly associated with this lib...
AWS S3 copy files and folders between two buckets
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Copy between S3 Buckets
AWS (just recently) released a command line interface for copying between buckets.
http://aws.amazon.com/cli/
$ aws s3 sync s3://mybucket-src s3://mybucket-target --exclude *.tmp
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This will copy from one target bucket to another bucket.
See the doc...