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The best way to remove duplicate values from NSMutableArray in Objective-C?
...rray *copy = [mutableArray copy];
NSInteger index = [copy count] - 1;
for (id object in [copy reverseObjectEnumerator]) {
if ([mutableArray indexOfObject:object inRange:NSMakeRange(0, index)] != NSNotFound) {
[mutableArray removeObjectAtIndex:index];
}
index--;
}
[copy release];
...
How to dynamically compose an OR query filter in Django?
...
Thanks! This was what I was looking for :) Didn't know you could do |=
– Jack Ha
May 12 '09 at 12:43
23
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How to sum all column values in multi-dimensional array?
...rray();
foreach ($myArray as $k=>$subArray) {
foreach ($subArray as $id=>$value) {
$sumArray[$id]+=$value;
}
}
print_r($sumArray);
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...001
#使用admin数据库
use admin
#定义副本集配置
config = { _id:"shard1", members:[
{_id:0,host:"192.168.0.136:22001"},
{_id:1,host:"192.168.0.137:22001"},
{_id:2,host:"192.168.0.138:22001",arbiterOnly:true}
...
Flexbox and Internet Explorer 11 (display:flex in ?)
... {
#flexible-content{
flex: 1;
}
}
Since flexbox is a W3C Candidate and not official, browsers tend to give different results, but I guess that will change in the immediate future.
If someone has a better answer I would like to know!
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How can I put a database under git (version control)?
...ou make the new schema changes to and not touch the old one since as you said you are making a branch.
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Disabling Chrome Autofill
...per in this discussion:
https://bugs.chromium.org/p/chromium/issues/detail?id=370363#c7
P.S. Note that Chrome will attempt to infer autofill behavior from name, id and any text content it can get surrounding the field including labels and arbitrary text nodes. If there is a autocomplete token like s...
iOS - How to set a UISwitch programmatically
...in the developer API, the task setOn: animated: should do the trick.
- (void)setOn:(BOOL)on animated:(BOOL)animated
So to set the switch ON in your program, you would use:
Objective-C
[switchName setOn:YES animated:YES];
Swift
switchName.setOn(true, animated: true)
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How do I remove an array item in TypeScript?
...task because it is a safe way to get the desired effect without confusing side effects.
– Elianora
Feb 28 '18 at 4:23
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How to use getJSON, sending data with post method?
...RL. This is the way to use it:
$.postJSON("http://example.com/json.php",{ id : 287 }, function (data) {
console.log(data.name);
});
The server must be prepared to handle the callback GET parameter and return the json string as:
jsonp000000 ({"name":"John", "age": 25});
in which "jsonp000000...