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How can I get a precise time, for example in milliseconds in Objective-C?
...is earlier than now
double timePassed_ms = [date timeIntervalSinceNow] * -1000.0;
Documentation on timeIntervalSinceNow.
There are many other ways to calculate this interval using NSDate, and I would recommend looking at the class documentation for NSDate which is found in NSDate Class Reference....
What is the equivalent of 'describe table' in SQL Server?
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answered Nov 26 '08 at 0:30
Vincent RamdhanieVincent Ramdhanie
97.4k2222 gold badges132132 silver badges183183 bronze badges
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Split string on the first white space occurrence
...t space, you can do it without a regular expression like this:
str.substr(0,str.indexOf(' ')); // "72"
str.substr(str.indexOf(' ')+1); // "tocirah sneab"
Note that if there is no space at all, then the first line will return an empty string and the second line will return the entire string. Be s...
How do I lowercase a string in C?
...ase.
Something trivial like this:
#include <ctype.h>
for(int i = 0; str[i]; i++){
str[i] = tolower(str[i]);
}
or if you prefer one liners, then you can use this one by J.F. Sebastian:
for ( ; *p; ++p) *p = tolower(*p);
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How to add two strings as if they were numbers? [duplicate]
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20 Answers
20
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mongorestore error: Don't know what to do with the dump file [closed]
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in mongodb 3.0 or above, we should specify the database name to restore
mongorestore -d [your_db_name] [your_dump_dir]
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How can I generate an INSERT script for an existing SQL Server table that includes all stored rows?
...generate a "Create and insert all rows" script with SQL Management Studio 2008 R2.
4 Answers
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How can I use “.” as the delimiter with String.split() in java [duplicate]
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203
String.split takes a regex, and '.' has a special meaning for regexes.
You (probably) want som...
Add Foreign Key to existing table
... steps:
ALTER TABLE users ADD grade_id SMALLINT UNSIGNED NOT NULL DEFAULT 0;
ALTER TABLE users ADD CONSTRAINT fk_grade_id FOREIGN KEY (grade_id) REFERENCES grades(id);
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