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How to delete an item in a list if it exists?
...
If index doesn't find the searched string, it throws the ValueError you're seeing. Either
catch the ValueError:
try:
i = s.index("")
del s[i]
except ValueError:
print "new_tag_list has no empty string"
or use fin...
How to append to a file in Node?
...e.log(new Date().toISOString());
[...Array(10000)].forEach( function (item,index) {
fs.appendFile("append.txt", index+ "\n", function (err) {
if (err) console.log(err);
});
});
console.log(new Date().toISOString());
Up to 8000 on my computer, you can append data to the file, then y...
How do I iterate through table rows and cells in JavaScript?
...or table.cells (to patch up some older/IE-oriented code), see my answer to Q: Does Firefox browser not recognize table.cells?
– GitaarLAB
May 19 '14 at 5:42
...
Remove All Event Listeners of Specific Type
...Target.prototype.removeEventListeners = function(targetType)
{
for(var index = 0; index != _listeners.length; index++)
{
var item = _listeners[index];
var target = item.target;
var type = item.type;
var listener = item.listener;
if(target == this &am...
What is the Linux equivalent to DOS pause?
...S, this is easily accomplished with the "pause" command. Is there a Linux equivalent I can use in my script?
9 Answers
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Improve INSERT-per-second performance of SQLite
...ll be used for your database.
If you have indices, consider calling CREATE INDEX after doing all your inserts. This is significantly faster than creating the index and then doing your inserts.
You have to be quite careful if you have concurrent access to SQLite, as the whole database is locked when ...
psql: FATAL: Ident authentication failed for user “postgres”
I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box.
23 Answers
23
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Parse a URI String into Name-Value Collection
...following code will help you.
public static Map<String, String> splitQuery(URL url) throws UnsupportedEncodingException {
Map<String, String> query_pairs = new LinkedHashMap<String, String>();
String query = url.getQuery();
String[] pairs = query.split("&");
for...
Why am I seeing “TypeError: string indices must be integers”?
...
The variable item is a string. An index looks like this:
>>> mystring = 'helloworld'
>>> print mystring[0]
'h'
The above example uses the 0 index of the string to refer to the first character.
Strings can't have string indices (like dict...
Sort Go map values by keys
... This can be improved with keys := make([]int, len(m)) and then insert by index keys[i] = k instead of append
– jpillora
Sep 9 '14 at 0:42
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