大约有 43,000 项符合查询结果（耗时：0.0616秒） [XML]
creating a random number using MYSQL
I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query.
6 A...
Add 10 seconds to a Date
...her Date functions, you should check out MDN
setSeconds will correctly handle wrap-around cases:
var d;
d = new Date('2014-01-01 10:11:55');
alert(d.getMinutes() + ':' + d.getSeconds()); //11:55
d.setSeconds(d.getSeconds() + 10);
alert(d.getMinutes() + ':0' + d.getSeconds()); //12:05
...
Split large string in n-size chunks in JavaScript
...
As far as performance, I tried this out with approximately 10k characters and it took a little over a second on Chrome. YMMV.
This can also be used in a reusable function:
function chunkString(str, length) {
return str.match(new RegExp('.{1,' + length + '}', 'g'));
}
...
Find and replace string values in list
... Performing a comparison between this list comprehension method and the map method (posted by @Anthony Kong), this list method was roughly 2x faster. Also it allowed for inserting multiple replacements into the same call, e.g. resname = [name.replace('DA', 'ADE').replace('DC', 'CYT').repl...
Asserting successive calls to a mock method
...k has a helpful assert_called_with() method . However, as far as I understand this only checks the last call to a method.
If I have code that calls the mocked method 3 times successively, each time with different parameters, how can I assert these 3 calls with their specific parameters?
...
Generate fixed length Strings filled with whitespaces
... Java 1.5 we can use the method java.lang.String.format(String, Object...) and use printf like format.
The format string "%1$15s" do the job. Where 1$ indicates the argument index, s indicates that the argument is a String and 15 represents the minimal width of the String.
Putting it all together: ...
Xcode: Build Failed, but no error messages
...
This is like I have my spec on my head and I am searching all over the world...
– Fahim Parkar
Jun 29 '16 at 11:59
...
How do I make a fully statically linked .exe with Visual Studio Express 2005?
My current preferred C++ environment is the free and largely excellent Microsoft Visual Studio 2005 Express edition. From time to time I have sent release .exe files to other people with pleasing results. However recently I made the disturbing discovery that the pleasing results were based on more l...
Should I use document.createDocumentFragment or document.createElement
I was reading about document fragments and DOM reflow and wondered how document.createDocumentFragment differed from document.createElement as it looks like neither of them exist in the DOM until I append them to a DOM element.
...
What steps should I take to protect my Google Maps API Key?
...ther users.
So :
There is nothing you can do ; this is the way it works
And there is not much you should worry about, I'd say.
share
|
improve this answer
|
follow
...