大约有 40,000 项符合查询结果（耗时：0.0532秒） [XML]
What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
...dinates to SQL you can set as lat*10000000 and long*10000000. And when you selecting with distance/radius you will divide storage coordinates to 10000000. I was test it with 300K rows, query response time is good. ( 2 x 2.67GHz CPU, 2 GB RAM, MySQL 5.5.49 )
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adb command not found
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Selected answer should be edited/completed with this, because adb moved for a long time and the adb_has_moved.txt is not there anymore
– Serty Oan
Feb 2 '15 at 20:13
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MySQL ON DUPLICATE KEY - last insert id?
...LAST_INSERT_ID(3000)) ON DUPLICATE KEY UPDATE id = LAST_INSERT_ID(id + 1);
SELECT LAST_INSERT_ID();
If the prefix exists, it will increment it and populate last_insert_id.
If the prefix does not exist, it will insert the prefix with the value 3000 and populate last_insert_id with 3000.
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What Ruby IDE do you prefer? [closed]
...es.
Incidentally RubyMine can do a lot of the things that Vim can do like select and edit a column of text or split the view into several editing panels with different files in them.
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Can't use method return value in write context
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This is a much better answer than the one currently selected.
– SystemParadox
Sep 9 '11 at 14:20
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Replace tabs with spaces in vim
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And being Vim, it works on visually selected regions too :)
– Andy
Dec 22 '15 at 21:41
3
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Enable binary mode while restoring a Database from an SQL dump
...ease follows the preceding steps.
Open file in notepad.
Click on Save as
Select Encoding type UTF-8.
Now source your db.
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follow
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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server
... add new privilege from phpmyadmin
Goto Privileges > Add a new User
Select Any Host for the desired username
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follow
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Comparison of C++ unit test frameworks [closed]
...og.Warn << "Here's a warning";
Fixtures
Data-driven tests (Theories)
Select which tests to run based on:
Attribute matching
Name substring matchin
Test Suites
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How to get names of enum entries?
...erated as follows:
var color: colors = colors.red;
console.log("The color selected is " + colors[color]);
It also creates a nice way to convert a string to an enumerated value.
var colorName: string = "green";
var color: colors = colors.red;
if (colorName in colors) color = colors[colorName];
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