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Index (zero based) must be greater than or equal to zero
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String.Format must start with zero index "{0}" like this:
Aboutme.Text = String.Format("{0}", reader.GetString(0));
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Declare and initialize a Dictionary in Typescript
... which exact TS version). I
get these errors in VS, as you would expect: Index signatures are
incompatible. Type '{ firstName: string; }' is not assignable to type
'IPerson'. Property 'lastName' is missing in type '{ firstName:
string; }'.
Apparently this doesn't work when passing the ini...
Why doesn't list have safe “get” method like dictionary?
...f:
def safe_list_get (l, idx, default):
try:
return l[idx]
except IndexError:
return default
You could even monkeypatch it onto the __builtins__.list constructor in __main__, but that would be a less pervasive change since most code doesn't use it. If you just wanted to use this with...
How to speed up insertion performance in PostgreSQL
.... I have a table with one column with number as its data type. There is an index on it as well. I filled the database up using this query:
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Convert Unix timestamp to a date string
Is there a quick, one-liner way to convert a Unix timestamp to a date from the Unix command line?
11 Answers
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Programmatically change UITextField Keyboard type
... This is useful information to know- I would suggest doing a Q&A-style self-answered question just to extract the information about the currently-focused field input change (that's what I was looking for when I found this answer)
– Stonz2
Aug ...
Array Length in Java
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It contains the allocated size, 10. The unassigned indexes will contain the default value which is 0 for int.
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How to iterate through two lists in parallel?
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what if additionally I want the index i? Can I wrap that zip in enumerate?
– Charlie Parker
Mar 6 '18 at 18:05
2
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Can you give a Django app a verbose name for use throughout the admin?
...se_name property.
Don't get your hopes up. You will also need to copy the index view from django.contrib.admin.sites into your own ProjectAdminSite view and include it in your own custom admin instance:
class ProjectAdminSite(AdminSite):
def index(self, request, extra_context=None):
co...
How to revert a “git rm -r .”?
...- path/to/file
git checkout -- path/to/file
This will first recreate the index entries for path/to/file and recreate the file as it was in the last commit, i.e.HEAD.
Hint: one may pass a commit hash to both commands to recreate files from an older commit. See git reset --help and git checkout --h...