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Truncating all tables in a Postgres database
I regularly need to delete all the data from my PostgreSQL database before a rebuild. How would I do this directly in SQL?
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Programmatically open new pages on Tabs
...cript you can use
window.open('page.html','_newtab');
Said that, I partially agree with Sam. You shouldn't force user to open new pages or new tab without showing them a hint on what is going to happen before they click on the link.
Let me know if it works on other browser too (I don't have a ch...
IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration d
...ication's application pool runs under. Often this is something like NetworkService but you may have customized it to run under a purpose made account. Without more info it's difficult to help you.
share
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Git 'fatal: Unable to write new index file'
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If you have your github setup in some sort of online syncing service, such as google drive or dropbox, try disabling the syncing as the syncing service tries to read/write to the file as github tries to do the same, leading to github not working correctly.
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How to force link from iframe to be opened in the parent window
...of the page in the iframe:
<base target="_parent">
This will load all links on the page in the parent window. If you want your links to load in a new window, use:
<base target="_blank">
This tag is fully supported in all browsers.
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Why would you use an ivar?
I usually see this question asked the other way, such as Must every ivar be a property? (and I like bbum's answer to this Q).
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How to convert JSON data into a Python object
...ry, the order of items will directly correspond.". Good to know for such small, local code blocks. I'd add a comment though to explicitly alert maintainers of code of such a dependency.
– cfi
Jun 1 '16 at 7:33
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How to implement a good __hash__ function in python [duplicate]
... are equal. It also shouldn't change over the lifetime of the object; generally you only implement it for immutable objects.
A trivial implementation would be to just return 0. This is always correct, but performs badly.
Your solution, returning the hash of a tuple of properties, is good. But note...
Where can I find a list of scopes for Google's OAuth 2.0 API? [closed]
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What you are looking for is the Google APIs Discovery Service.
A few other interesting resources:
An excellent blog by Nicolas Garnier which describes the important things behind this service.
The Google OAuth2 playground, is another good source of info.
Finally if you're ...
Capturing Groups From a Grep RegEx
...egex="[0-9]+_([a-z]+)_[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate strings
name="${name}.jpg" # same thing stored in a variable
else
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