大约有 40,000 项符合查询结果（耗时：0.0530秒） [XML]
Command line CSV viewer? [closed]
...his a short shell script (most of it is boilerplate "how do I use it?" and error checking code). github.com/benjaminoakes/utilities/blob/master/view-csv
– Benjamin Oakes
Nov 16 '10 at 13:24
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How to determine if a number is odd in JavaScript
...'t know JavaScript. You can't cast to boolean with (bool) (that'll give an error) and in any case you don't need to: return value%2 == 0; will do the job since the == operator returns a boolean.
– nnnnnn
Aug 13 '12 at 1:55
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Open existing file, append a single line
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Only option to not throw an error if called in rapid succession
– Alien Technology
Nov 12 '18 at 18:30
add a comment
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Save and load MemoryStream to/from a file
...there a way for creating a memory stream from that file? I am receiving an error 'file is opened by another process'
– FrenkyB
Dec 21 '13 at 6:17
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Determine whether JSON is a JSONObject or JSONArray
... In the end though, I put the string into a JSONObject and if it threw an error, then I knew it was a JSONArray. try { return new JSONObject(json); } catch (Exception e) { } try { return new JSONArray(json); } catch (Exception e) { }
– Greg
Jun 23 '11 at...
Check if PHP session has already started
...Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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When to use nil, blank, empty? [duplicate]
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nil.blank? returns undefined method error. I use object.to_s.empty?. It returns true when the object is nil or empty string.
– Sharvy Ahmed
Oct 23 '15 at 10:50
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chart.js load totally new data
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When I do chart.config.data = newData, I have this error: TypeError: undefined is not an object (evaluating 'i.data.datasets.length') Someone have the same issue?
– Benjamin Lucidarme
Apr 26 '17 at 9:34
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iterating over and removing from a map [duplicate]
...te it. Benefits of the new approach are that it can be more readable, less error prone.
public static void mapRemove() {
Map<Integer, String> map = new HashMap<Integer, String>() {
{
put(1, "one");
put(2, "two");
put(3, "three");
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Count the number of occurrences of a string in a VARCHAR field?
... note, that LENGTH() is not multi-byte safe and you might run into strange errors. Use CHAR_LENGTH() instead:)
– nico gawenda
Apr 29 '13 at 23:28
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