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Fast way of finding lines in one file that are not in another?
... index by lineno
(NR!=FNR) { ss2[$0]++; } # file2, index by string
END {
for (ll=1; ll<=nl1; ll++) if (!(ll1[ll] in ss2)) print ll1[ll]
}
This stores the entire contents of file1 line by line in a line-number indexed array ll1[], and the entire contents of file2 line by line ...
HTML5 record audio to file
...; 0 ? s * 0x8000 : s * 0x7FFF, true);
}
}
function writeString(view, offset, string){
for (var i = 0; i < string.length; i++){
view.setUint8(offset + i, string.charCodeAt(i));
}
}
function encodeWAV(samples){
var buffer = new ArrayBuffe...
Is there a way to word-wrap long words in a div?
... text (inferred by his use of word-wrap for IE, designed to break unbroken strings).
/* Source: http://snipplr.com/view/10979/css-cross-browser-word-wrap */
.wordwrap {
white-space: pre-wrap; /* CSS3 */
white-space: -moz-pre-wrap; /* Firefox */
white-space: -pre-wrap; /* O...
Getting the SQL from a Django QuerySet [duplicate]
... @hughes is right. If you don't want to print it and want it as a string, instead of calling __str__() to get it as a string you should do str(queryset.query).
– Chad
May 30 '13 at 23:31
...
Get value from JToken that may not exist (best practices)
...e GetValue as below
public static T GetValue<T>(this JToken jToken, string key, T defaultValue = default(T))
{
dynamic ret = jToken[key];
if (ret == null) return defaultValue;
if (ret is JObject) return JsonConvert.DeserializeObject<T>(ret.ToString());
return (T)ret;
}
...
What is this CSS selector? [class*=“span”]
...omething"></div>
Good references
CSS3 Attribute Selectors: Substring Matching
The 30 CSS Selectors you Must Memorize
W3C CSS3 Selectors
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Best way to show a loading/progress indicator?
...harSequence title, CharSequence message); Passing title parameter as empty string removes the title: ProgressDialog.show(context, "", "Loading..");
– Rajendra
Oct 11 '12 at 15:32
...
How to format current time using a yyyyMMddHHmmss format?
...
The layout string is a representation of the time stamp, Jan 2 15:04:05 2006 MST. An easy way to remember this value is that it holds, when presented in this order, the values (lined up with the elements above): 1 2 3 4 5 6 -7...
Test if something is not undefined in JavaScript
...
What if a variable exists and contains the string that reads 'undefined'?
– TomeeNS
Feb 13 '19 at 15:29
1
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What's the difference between “groups” and “captures” in .NET regular expressions?
...nd of history tracker. When the regex makes his match, it goes through the string from left to right (ignoring backtracking for a moment) and when it encounters a matching capturing parentheses, it will store that in $x (x being any digit), let's say $1.
Normal regex engines, when the capturing pa...