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Get form data in ReactJS
...() {
return (
<form>
<input type="text" name="email" placeholder="Email" value={this.state.email} onChange={this.handleEmailChange} />
<input type="password" name="password" placeholder="Password" value={this.state.password} onChange={this.handlePassw...
What is the difference between char * const and const char *?
...char const
over
const char
(with or without pointer) so that the placement of the const element is the same as with a pointer const.
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Dump a mysql database to a plaintext (CSV) backup from the command line
... But if there are advantages to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql script, pointers to how to make such a thing would be helpful.
...
OpenJDK availability for Windows OS [closed]
Is there any OpenJDK version available to Windows OS? From the OpenJDK home page ( http://openjdk.java.net/ ) it redirects to Oracle Sun JRE for Windows machine.
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insert multiple rows via a php array into mysql
...and I'm wondering if its possible to insert approximately 1000 rows at a time via a query other than appending each value on the end of a mile long string and then executing it. I am using the CodeIgniter framework so its functions are also available to me.
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Python - List of unique dictionaries
...f the dict will be the list
In Python2.7
>>> L=[
... {'id':1,'name':'john', 'age':34},
... {'id':1,'name':'john', 'age':34},
... {'id':2,'name':'hanna', 'age':30},
... ]
>>> {v['id']:v for v in L}.values()
[{'age': 34, 'id': 1, 'name': 'john'}, {'age': 30, 'id': 2, 'name': 'hanna...
Split a List into smaller lists of N size
... i)));
}
return list;
}
Generic version:
public static IEnumerable<List<T>> SplitList<T>(List<T> locations, int nSize=30)
{
for (int i = 0; i < locations.Count; i += nSize)
{
yield return locations.GetRange(i, Math.Min(nSize, loc...
.gitignore for PhoneGap/Cordova 3.0 projects - what should I commit?
...
Shameless plug for my Cordova gitignore: gist.github.com/elliot-labs/c92b3e52053906816074170ada511962
– Elliot Labs LLC
Jun 19 at 2:21
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#1071 - Specified key was too long; max key length is 1000 bytes
...er column as you define the index. For example:
...
KEY `index` (`parent_menu_id`,`menu_link`(50),`plugin`(50),`alias`(50))
...
But what's the best prefix length for a given column? Here's a method to find out:
SELECT
ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_lengt...
Best XML Parser for PHP [duplicate]
... an extension, written in C, and is very fast. But second, the parsed document takes the form of a PHP object. So you can "query" like $root->myElement.
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