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What are the best practices for SQLite on Android?
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@Burdu, A mix of providing extra control over the database counter and bad design. It's definitely not the best way to do it, though. I'll update it in a few days.
– Reed
Jan 24 '15 at 3:40
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Cordova 3.5.0 Install Error- Please Install Android Target 19
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Android SDK is not your target Android version. Target Android version 19 is the API level for android Kitkat.So in you SDK manager check if you have Android 4.4.2(API 19) installed. If you want your target API version to be different then change it in ANdroidManifest...
Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
...ync() is synchronous). The use of dispatch_once() replaces the following idiom:
+ (MyClass *)sharedInstance {
static MyClass *sharedInstance;
@synchronized(self) {
if (sharedInstance == nil) {
sharedInstance = [[MyClass alloc] init];
}
}
return sharedInst...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...avoid performance problems: numactl –interleave=all mongod [other options]
当时我并不太清楚NUMA是什么东西，所以没有处理，只是把问题反馈给了运维人员，后来知道运维人员也没有理会这茬儿，所以问题的序幕就这样拉开了。
迁移工作...
How can I exclude all “permission denied” messages from “find”?
... denied' > some_file runs the risk of false positives (due to sending a mix of stdout and stderr through the pipeline), and, potentially, instead of reporting non-permission-denied errors via stderr, captures them alongside the output paths in the output file.
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“Could not find bundler” error
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if you create a new applocation - rails new and if you get this error?
– AMIC MING
Mar 19 '13 at 0:35
2
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What is Mocking?
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Prologue: If you look up the noun mock in the dictionary you will find that one of the definitions of the word is something made as an imitation.
Mocking is primarily used in unit testing. An object under test may
have dependencies on other (complex) objects. To isolate the...
How to merge YAML arrays?
... YAML specifications for mappings and not for sequences
you are completely mixing things by having a merge key <<
followed by the key/value separator : and a value that is a
reference and then continue with a list at the same indentation
level
This is not correct YAML:
combine_stuff:
x: 1...
bundle install returns “Could not locate Gemfile”
...o the gemfile in the same command e.g.
BUNDLE_GEMFILE="MyProject/Gemfile.ios" bundle install
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Is git-svn dcommit after merging in git dangerous?
...l free to explore other workflows: If you know what you are doing, you can mix git merges with svn merges (Using git-svn (or similar) just to help out with svn merge?)
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