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Simplest code for array intersection in javascript
...ns, where n is
* n = MIN(a.length, b.length)
*/
function intersection_destructive(a, b)
{
var result = [];
while( a.length > 0 && b.length > 0 )
{
if (a[0] < b[0] ){ a.shift(); }
else if (a[0] > b[0] ){ b.shift(); }
else /* they're equal */
...
Creating Multifield Indexes in Mongoose / MongoDB
...ommand can be used to create compound index for nested json:
db.ACCOUNT_collection.createIndex({"account.id":1,"account.customerId":1},{unique:1})
Mongo json structure is like :
{"_id":"648738"
"account": {
"id": "123",
"customerId": 7879,
"name": "test"
..
..
}
}
I hav...
What's a simple way to get a text input popup dialog box on an iPhone
... }];
[alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
// A block for configuring the text field prior to displaying the alert
}];
[alert addAction:defaultAction];
[alert addAction:cancelAction];
[self presentViewController:alert animated:YES completion:...
How to tell when UITableView has completed ReloadData?
...other way is to schedule your after-layout code to run later using dispatch_async:
[self.tableView reloadData];
dispatch_async(dispatch_get_main_queue(), ^{
NSIndexPath* indexPath = [NSIndexPath indexPathForRow: ([self.tableView numberOfRowsInSection:([self.tableView numberOfSections]-1)]-1) ...
Copy a file in a sane, safe and efficient way
...<copyfile.h>
int
copyfile(const char *from, const char *to, copyfile_state_t state, copyfile_flags_t flags);
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Stop and Start a service via batch or cmd file?
...5
Return Codes:
The NET command does not return the documented Win32_Service class return codes (Service Not Active,Service Request Timeout, etc) and for many errors will simply return Errorlevel 2.
Look here: http://ss64.com/nt/net_service.html
...
TortoiseGit save user authentication / credentials
...name and password every time you do a pull or push.
Create a file called _netrc with the following contents:
machine github.com
login yourlogin
password yourpassword
Copy the file to C:\Users\ (or another location; this just happens to be where I’ve put it)
Go to command prompt, type setx hom...
How to “log in” to a website using Python's Requests module?
...xt is closed after use.
with requests.Session() as s:
p = s.post('LOGIN_URL', data=payload)
# print the html returned or something more intelligent to see if it's a successful login page.
print p.text
# An authorised request.
r = s.get('A protected web page url')
print r.tex...
Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（三）Deep_Learning_Series_3Deep Learning,深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学...
Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（三）Deep_Learning_Series_3Deep Learning,深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学...