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How can I check if a directory exists in a Bash shell script?
... lots of other funny characters in their directory names. (Spaces! Back in my days, we didn't have no fancy spaces! ;))
One day, one of those kids will run your script with $DIRECTORY set to "My M0viez" and your script will blow up. You don't want that. So use this.
if [ -d "$DIRECTORY" ]; then
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In-memory size of a Python structure
...t answer. It does however not seem to work for compiled cython objects. In my case this method returns 96 for a pointer to an in-memory cython object
– ferdynator
Nov 27 '19 at 12:42
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How to check if a Constraint exists in Sql server?
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One thing to note, in my SQL to add the constraint, I used brackets around the name like, [fk_Client_ProjectID_Project]. You MUST remove the brackets in the WHERE clause.
– ScubaSteve
Jun 18 '13 at 13:33
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WebView and HTML5
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i donot run any result,my screen is black. i want to know if this need thead. my code is too long to posy here.can you give me some contact way or open a another topic.
– pengwang
Oct 8 '10 at 2:59
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What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
... i understand that hitting ctrl+f5 will make me see version2. Then i close my browser and open that page again, ¿do i see version 1 or i still see version2? Thanks.
– molerus
Jan 18 '17 at 7:50
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Why does this CSS margin-top style not work?
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Tried it for my problem, made a staircase effect.
– Jonny
Oct 9 '16 at 16:04
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How does an underscore in front of a variable in a cocoa objective-c class work?
...tance variable names with an underscore (_), for example: \@implementation MyClass { BOOL _showsTitle; }"
– dmirkitanov
May 5 '12 at 19:38
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Override browser form-filling and input highlighting with HTML/CSS
...to 3000) and then the browser wins and I've got autocomplete turned on. In my usage case, I'm asking the user for their username/password for another site so that I can pull info from the other site, so I definitely don't want it autofilling the username and password they use for my site. Any though...
POST unchecked HTML checkboxes
I've got a load of checkboxes that are checked by default. My users will probably uncheck a few (if any) of the checkboxes and leave the rest checked.
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How can I display an RTSP video stream in a web page?
...ion:WebPlugin/
Modified the code a little bit and got it working. Here is my code-
<embed type="application/x-vlc-plugin" pluginspage="http://www.videolan.org" autoplay="yes" loop="no" width="300" height="200" target="rtsp://10.20.50.15:554/0/888888:888888/main" />
<object classid="clsid:...