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psql: could not connect to server: No such file or directory (Mac OS X)
...master has exited.).
SOLUTION: This fixed the issue--I deleted this file, and then everything worked!
/usr/local/var/postgres/postmaster.pid
--
and here is how I figured out why this needed to be deleted.
I used the following command to see if there were any PG processes running. for me ther...
History or log of commands executed in Git
Is there a way I can keep track of commands I used in Git under Windows? I want to view all the commands that I have applied on my repository.
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Ruby on Rails: Delete multiple hash keys
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While using Hash#except handles your problem, be aware that it introduces potential security issues. A good rule of thumb for handling any data from visitors is to use a whitelist approach. In this case, using Hash#slice instead.
params.slice!(:para...
Sending images using Http Post
I want to send an image from the android client to the Django server using Http Post. The image is chosen from the gallery. At present, I am using list value name Pairs to send the necessary data to the server and receiving responses from Django in JSON. Can the same approach be used for images (wit...
Capturing mobile phone traffic on Wireshark
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Here are some suggestions:
For Android phones, any network: Root your phone, then install tcpdump on it. This app is a tcpdump wrapper that will install tcpdump and enable you to start captures using a GUI. Tip: You will need to make sure you supply the ri...
SFTP Libraries for .NET [closed]
... now I'm looking at products such as SecureBlackbox, IPWorks SSH, WodSFTP, and Rebex SFTP. However, I have never used any SFTP library before so I'm not sure what I'm looking for.
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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...rol in my UITableViewController (which is inside a UINavigationController) and it works as expected (i.e. pull down fires the correct event). However, if I programmatically invoke the beginRefreshing instance method on the refresh control like:
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Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
I am unable to clone a Git repository, and getting this error:
30 Answers
30
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Set android shape color programmatically
...le. Thanks Tyler Pfaff, for pointing this out.
The drawable is an oval and is the background of an ImageView
Get the Drawable from imageView using getBackground():
Drawable background = imageView.getBackground();
Check against usual suspects:
if (background instanceof ShapeDrawable) {
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Checking for empty queryset in Django
...erly irrelevant so I do not get your point. They could as well make a thousand queries and it would still be totally irrelevant as this is not the point of this answer, with which I make clear that I agree.
– Wtower
Nov 4 '15 at 8:47
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