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UITableViewCell Separator disappearing in iOS7
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I dumped the subview hierarchy of affected cells and found that the _UITableViewCellSeparatorView was set to hidden. No wonder it's not shown!
I overrode layoutSubviews in my UITableViewCell subclass and now the separators are displayed reliably:
Objective-C:
- (void)layoutSubviews {
[...
How do I rename a column in a database table using SQL?
... This is also not supported in Microsoft SQL Server. Instead use sp_rename as per Galwegian's answer: stackoverflow.com/a/174586/834431
– Chris
Dec 11 '13 at 13:15
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Android SDK Manager Not Installing Components
...droid Studio), do the following in Terminal
cd /android/adt-bundle-mac-x86_64/sdk/tools
sudo ./android sdk
This launches SDK manager as admin. Now update/install the packages from SDK manager and it'll work.
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AngularJS Directive Restrict A vs E
...iv>
C = <div class="Doc"></div>
E = <Doc data="book_data"></Doc>
M = <!--directive:Doc -->
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BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
文章源自：https://www.gandalf.site/2018/11/ble_26.html
商业级的Ellisys BEX400侦听工具最为符合对BLE流量捕获及分析的要求，然而售价过于昂贵；
其次，作为开源硬件且配有混杂模式追踪的“超牙”设备——Ubertooth One拥有二次开发和嗅...
What's the best way to generate a UML diagram from Python source code? [closed]
... do you know how to visualize private methods starting with "_"
– gustavz
Jun 29 '18 at 9:40
2
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package R does not exist
...R, but prefix the offending ids with android., e.g. android.R.layout.simple_list_item_2
You may import android.R instead of prefixing the ids of course, but then you cannot import the application R class anymore and must prefix the application ids, e.g. com.example.android.R.id.main_menu.
The R ...
Purge Kafka Topic
...yi, for kafka v. 0.9.0.0, it says: ubuntu@ip-172-31-21-201:/opt/kafka/kafka_2.10-0.9.0.0-SNAPSHOT$ bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic room-data --config retention.ms=1000 WARNING: Altering topic configuration from this script has been deprecated and may be removed in futu...
Scala Doubles, and Precision
...igDecimal:
BigDecimal(1.23456789).setScale(2, BigDecimal.RoundingMode.HALF_UP).toDouble
There are a number of other rounding modes, which unfortunately aren't very well documented at present (although their Java equivalents are).
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How can I change the image displayed in a UIImageView programmatically?
...OfURL:[NSURL URLWithString:@"http://farm4.static.flickr.com/3092/2915896504_a88b69c9de.jpg"]]];
or
UIImage *image = [UIImage imageNamed: @"cell.png"];
Once you have an Image you can then set UIImageView:
[imageView setImage:image];
The line above assumes imageView is your IBOutlet.
That's i...