大约有 5,882 项符合查询结果（耗时：0.0285秒） [XML]
Equals(=) vs. LIKE
...rmance:
A personal example using mysql 5.5: I had an inner join between 2 tables, one of 3 million rows and one of 10 thousand rows.
When using a like on an index as below(no wildcards), it took about 30 seconds:
where login like '12345678'
using 'explain' I get:
When using an '=' on the s...
Which Architecture patterns are used on Android? [closed]
... the controller is supposed to be the main entry point. Which is a bit debatable if this is the case when applying it to Android development, since the activity is the natural entry point of most applications.
Because of this, I personally find that the model–view–presenter pattern is a perfect...
Prefer composition over inheritance?
...ng a class which should behave just like another class, but not be substitutable for it (such a class would have all "this class" references replaced with itself).
– supercat
Dec 8 '11 at 16:16
...
How do I calculate a point on a circle’s circumference?
...ly not as efficient in speed compared to say implementing sin as a look-up table, but sometimes you are using complex numbers to represent points throughout to exploit other properties of them. Similar to using quaternions for 3D rotations, it's not really the speed but the capabilities they give yo...
Proper MIME type for OTF fonts
... well SFNT, the scalable/spline container font format used in the backbone table reference of Google Web Fonts with their sfntly java library and is already registered as a mime type with IANA and could be added to this list as well dependent on individual need.
UPDATE October 4, 2017: We can follo...
Calculating sum of repeated elements in AngularJS ng-repeat
...tion, which is easy to understand here, but gets pretty messy with complex tables.
– Marc Durdin
Jul 30 '15 at 0:13
1
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How to wrap text around an image using HTML/CSS
...ing the paragraph with it.
#container:before {
content: ' ';
display: table;
width: 10em; /* Min width required */
}
#floated{
float: left;
width: 150px;
background: red;
}
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jQuery - checkbox enable/disable
...hkcc9").on('click', function() {
$(this)
.parents('table')
.find('.group1')
.prop('checked', $(this).is(':checked'));
});
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improve this answ...
What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
...rtion of an URL. If you use Wikipedia, you will see that most pages have a table of contents and you can jump to sections within the document with an anchor, such as:
https://en.wikipedia.org/wiki/Alan_Turing#Early_computers_and_the_Turing_test
https://en.wikipedia.org/wiki/Alan_Turing identifies ...
switch / pattern matching idea
...
The notable difference here between C# and F# is completeness of the pattern match. That the pattern match covers every possible case available, fully described, warnings from the compiler if you do not. While you can rightfully ar...