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Proper use of beginBackgroundTaskWithExpirationHandler

...nBackgroundUpdateTask]; NSURLResponse * response = nil; NSError * error = nil; NSData * responseData = [NSURLConnection sendSynchronousRequest: request returningResponse: &response error: &error]; // Do something with the result [self endBackground...
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Django's SuspiciousOperation Invalid HTTP_HOST header

After upgrading to Django 1.5, I started getting errors like this: 4 Answers 4 ...
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Using {} in a case statement. Why?

... return a * x; case 1337: int x = GetSomeOtherValue(); //ERROR return a * x; } You will get a compiler error because x is already defined in the scope. Separating these to their own sub-scope will eliminate the need to declare x outside the switch statement. switch (a) ...
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Gem::LoadError for mysql2 gem, but it's already in Gemfile

This error occurred while loading the following files: 14 Answers 14 ...
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How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?

... $ mkdir bkptest tmp $ mysqldump -u root -T bkptest bkptest mysqldump: Got error: 1: Can't create/write to file '/Users/username/tmp/bkptest/people.txt' (Errcode: 13) when executing 'SELECT INTO OUTFILE' tmp $ chmod a+rwx bkptest/ tmp $ mysqldump -u root -T bkptest bkptest tmp $ ls bkptest/ people.s...
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How to access the GET parameters after “?” in Express?

...rs) => { res.render('users', { users }) }) .catch(console.error) }) app.get('/api/company/users', (req, res) => { const companyname = req.query.companyName console.log(companyname) userByJob(companyname) .then((users) => { res.render('job', { users }) }).c...
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How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)

...ems OK. But when I tried to compile some C code, I encounter the following error. The error seems to be due to the OS lacking the 32-bit architecture support. The error output is as following: ...
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App Inventor 2 经典蓝牙(SPP) 硬件接入:hc05 · App Inventor 2 中文网

...C05 简单介绍 基本接入代码参考 常见问题解决 Error 515: Not connected to a Bluetooth device. Error 507: unable to connect. is the device turned on? 乱码问题排查思路 参与讨论 « 返回首页 Iot 专题 经典蓝牙硬件有很多款,...
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multi-step registration process issues in asp.net mvc (split viewmodels, single model)

...blic class Step1ViewModel { [Required] [MaxLength(20, ErrorMessage="Longueur max de 20 caractères")] public string Name { get; set; } } [Serializable] public class Step2ViewModel { public Decimal ListPrice { get; set; } } [Serializabl...
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Return HTTP status code 201 in flask

... For me this type of error handling worked (behind IIS) only if InvalidUsage was a child of werkzeug.exceptions.HTTPException, not a general Exception – Gyula Sámuel Karli Jun 15 at 9:36 ...