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csv.Error: iterator should return strings, not bytes
...ption isn't the safest. If you can use TextIOWrapper, you should. Issue descriptions: iterdecode eats empty strings iterdecode isn't safe with multi-byte characters The solution: TextIOWrapper on a csv stream
– kavdev
Jan 20 '19 at 16:38
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How to kill zombie process
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im my case the zombie was creating via a start-up script and a program which was not clearly removed so I cleared it .
– Mohammad Rafiee
Oct 6 '13 at 5:49
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BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...广播方式的报文有4种，分别为可连接的非定向广播（ADV_IND）、可连接的定向广播（ADV_DIRECT_IND）、可扫描非定向广播（ADV_SCAN_IND）、不可连接的非定向广播（ADV_NONCONN_IND）
4种广播的使用场景各不相同
可连接的非定向广播（A...
Should I use the datetime or timestamp data type in MySQL?
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Timestamps in MySQL are generally used to track changes to records, and are often updated every time the record is changed. If you want to store a specific value you should use a datetime field.
If you meant that you want to decide between using a UNIX ...
How to create an object for a Django model with a many to many field?
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For future visitors, you can create an object and all of its m2m objects in 2 queries using the new bulk_create in django 1.4. Note that this is only usable if you don't require any pre or post-processing on the data with save() methods or signals. What you insert is exactly...
Where do gems install?
...ng it correctly.
Proper gems are usually configured:
via an initializer script on config/initializers
via monkeypatching on lib
via generators provided by the gem itself. These tend to generate lots of files, but they usually have a "initialize" or "install" option for setting up the gem.
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Auto layout constraints issue on iOS7 in UITableViewCell
...n the cell is reused like this:
For Static UITableViewController:
#ifdef __IPHONE_OS_VERSION_MIN_REQUIRED
#if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_8_0
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [sup...
Running shell command and capturing the output
...oing so raises security concerns. If you're doing anything more than light scripting, you might be better off calling each process separately, and passing the output from each as an input to the next, via
run(cmd, [stdout=etc...], input=other_output)
Or
Popen(cmd, [stdout=etc...]).communicate(ot...
How to use Chrome's network debugger with redirects
...o debug pages that automatically reload for one reason or another (running script or 300 responses).
4 Answers
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Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...ting a login for a forum, and need to hash the password client side in javascript before sending it on to the server. I'm having trouble figuring out which SHA-256 implementation I can actually trust. I was expecting there to be some kind of authoritative script that everyone used, but I'm finding l...