大约有 45,000 项符合查询结果（耗时：0.0431秒） [XML]
Why does a return in `finally` override `try`?
...// Get DB records etc.
return res.send('try');
} catch(e) {
// log errors
} finally {
return res.send('finally');
}
This code will show the string try in your browser. ALSO, the example will show an error in your console. The res.send() function is called twice. This will happen with an...
htaccess redirect to https://www
... correct domain first, then redirect to https, otherwise you'll get a cert error message in your browser.
– Nick Benson
Feb 22 '14 at 3:36
19
...
Add custom messages in assert?
...and #Expr will expand into string literal "x == y", which we then put into error message.
– Eugene Magdalits
Oct 14 '16 at 7:27
...
How do you determine the size of a file in C?
...struct stat definition, which was missing the variable name.
Returns -1 on error instead of 0, which would be ambiguous for an empty file. off_t is a signed type so this is possible.
If you want fsize() to print a message on error, you can use this:
#include <sys/stat.h>
#include <sys/ty...
node.js: read a text file into an array. (Each line an item in the array.)
...
To prevent the above to throw TypeError: fs.readFileSync(...).split is not a function, you should use .toString() like this: var array = fs.readFileSync('file.txt', 'utf8').toString().split('\n');
– Qua285
Mar 19 at 10:5...
Why does JavaScript only work after opening developer tools in IE once?
...
@Meekohi if(!console) will cause the same error - it should read if(!window.console)
– mindplay.dk
Aug 14 '12 at 12:55
9
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'Incomplete final line' warning when trying to read a .csv file into R
...
@JorisMeys The error message, however, refers to the last line of the file. Taking the steps above does indeed remove the warning.
– WorldGov
Apr 30 at 16:36
...
地图组件（高德地图） · App Inventor 2 中文网
... will return 0 if the 标记
intersects or contains the mapFeature. If an error occurs, this method will return -1.
DistanceToPoint(纬度,经度)
Compute the distance, in meters, between a 标记 and a latitude, longitude point.
HideInfobox()
Hides the 标记’s info box if it is visibl...
Run PostgreSQL queries from the command line
..., if you re-enter the same query you will have most likely create a syntax error.
As an experiment, try typing any garble you want at the psql prompt then hit enter. psql will silently provide you with a new line. If you enter a semicolon on that new line and then hit enter, then you will receive t...
const vs constexpr on variables
...es a compile-time constant. For example:
constexpr double PI3 = PI1; // error
but:
constexpr double PI3 = PI2; // ok
and:
static_assert(PI1 == 3.141592653589793, ""); // error
but:
static_assert(PI2 == 3.141592653589793, ""); // ok
As to which you should use? Use whichever meets yo...