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Copy a table from one database to another in Postgres
...up, you should use the -a flag to import data only, else you may see weird errors like "Out of memory":
pg_dump -a -t my_table my_db | psql target_db
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Leaflet - How to find existing markers, and delete markers?
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Should be a way to collect all of the layers used by Leaflet. :/
– jackyalcine
Aug 1 '12 at 21:39
10
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Do I need dependency injection in NodeJS, or how to deal with …?
...ontrived example.
MyClass.js:
var fs = require('fs');
MyClass.prototype.errorFileExists = function(dir) {
var dirsOrFiles = fs.readdirSync(dir);
for (var d in dirsOrFiles) {
if (d === 'error.txt') return true;
}
return false;
};
MyClass.test.js:
describe('MyClass', func...
Python dictionary: Get list of values for list of keys
...68 ms per loop
100 loops, best of 3: 2 ms per loop
100 loops, best of 3: 2.05 ms per loop
100 loops, best of 3: 2.19 ms per loop
100 loops, best of 3: 2.53 ms per loop
100 loops, best of 3: 2.9 ms per loop
So in this case the clear winner is f = operator.itemgetter(*l); f(m), and clear outsider: m...
How to read a file in reverse order?
...k(2) it will move by two bytes, so that seek(2); read(1) will result in an error UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte, but if you do seek(0); read(2); read(1), you will get the 'a' you were expecting, that is: seek() is never encoding-aware, read...
How to make ng-repeat filter out duplicate results
... l = arr != undefined ? arr.length : 0 since otherwise there is an parsing error in angularjs
– Gerrit
May 1 '15 at 7:39
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Building an MFC project for a non-Unicode character set is deprecated ...
...precatedVS2013多字节工程问题使用VS2013编译旧版VC++程序时，提示Building an MFC project for a non-Unicode character set is depreca...VS2013多字节工程问题
使用VS2013编译旧版VC++程序时，提示Building an MFC project for a non-Unicode character set is deprecated，微...
改用 443 端口连接 Github 修复 git push 时出现 Connection timed out 的...
改用 443 端口连接 Github 修复 git push 时出现 Connection timed out 的问题use-443-port-fix-github-connection-timeout参考资料最近几天我这里出现了git push出现 timeout 的问题：$ git pushssh: connect to host github com port 22: Connection timed outfatal: Could not read ...
App Inventor 2 开发多用户注册登录签到系统 - AppInventor连接网络微数据...
... App Inventor 2 开发多用户注册登录签到系统 - AppInventor连接网络微数据库保姆级教程
“网络微数据库”如何保存值到网络，如何读取网络值
如何存储用户列表信息
如何存储用户的每日签...
How large should my recv buffer be when calling recv in the socket library
...w how big to make the buffer passed to recv()?
SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interactive one just pick a size that can hold the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is tran...