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GUI Tool for PostgreSQL [closed]
...in (sub-)context menus even to do a simple SELECT; you cannot sort columns by just clicking on them, you have to open a popup for that; it even asks confirmation to remove a sort parameter! It might have improved compared to previous versions but it's still not recommended if you'd like to stay sane...
Display element as preformatted text via CSS [duplicate]
...t-family: monospace, as pre elements are typically set in a monospace font by default (e.g. for use with code blocks).
.preformatted {
font-family: monospace;
white-space: pre;
}
<div class="preformatted">
Please procure the following items:
- Soup
- Jam
...
New transaction is not allowed because there are other threads running in the session LINQ To Entity
...ally "married" to one instance of your db connection and cannot be changed by another.
A way to get around this is to call .ToList() on your collection before iterating it.
And while you're at it, call context.SaveChanges() only once after the loop exits to speed up the code.
...
How can I convert String[] to ArrayList [duplicate]
...String> list = Arrays.asList(array);
The list returned will be backed by the array, it acts like a bridge, so it will be fixed-size.
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How do I write a Python dictionary to a csv file? [duplicate]
...
Small addition: You can easily print a subset of a dict by using csv.DictWriter(f, ["testing"], extrasaction='ignore')
– Dawodo
Sep 19 '16 at 16:55
add a co...
Temporarily change current working directory in bash to run a command [duplicate]
...
You can run the cd and the executable in a subshell by enclosing the command line in a pair of parentheses:
(cd SOME_PATH && exec_some_command)
Demo:
$ pwd
/home/abhijit
$ (cd /tmp && pwd) # directory changed in the subshell
/tmp
$ pwd # par...
What is the difference between tar and zip? [closed]
...s); the advantage is that you can access any of the files contained within by looking at only a specific (target file dependent) section of the archive (as the "catalog" of the collection is separate from the collection itself).
The caveat of a .tar.gz is that you must decompress the whole archive t...
How to remove and clear all localStorage data [duplicate]
I need to clear all data i set into localStorage . By this, I mean completely reset localStorage to null when users remove their accounts.
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What does the 'u' symbol mean in front of string values? [duplicate]
...ct that you're seeing the u means you're on Python 2 - strings are Unicode by default on Python 3, but on Python 2, the u in front distinguishes Unicode strings. The rest of this answer will focus on Python 2.
You can create a Unicode string multiple ways:
>>> u'foo'
u'foo'
>>> uni...
What is the Python equivalent for a case/switch statement? [duplicate]
... in a constant string in quotes then eval it. 1) code doesn't get checked by your editor for validity. 2) it doesn't get optimised to bytecode at compilation. 3) you can't see syntax highlighting. 4) fiddly if you have multiple quotes - indeed your comment needs escaping! If you want brevity, you ...