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Change SQLite default settings
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If you are using Windows, you should create the file %USERPROFILE%\.sqliterc. For instance, by executing the following on the command-line: (echo .mode columns && echo .headers on) >%USERPROFILE%\.sqliterc
– D...
throwing an exception in objective-c/cocoa
...able objects, sending an invalid message, and losing the connection to the window server. You usually take care of these sorts of errors with exceptions when an application is being created rather than at runtime. [.....] Instead of exceptions, error objects (NSError) and the Cocoa error-delivery me...
How to add screenshot to READMEs in github repository?
...b.com/{USERNAME}/{REPOSITORY}/{BRANCH}/{PATH}
Markdown example 
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INSTALL_FAILED_NO_MATCHING_ABIS when install apk
...ad this issue while using the Android Studio emulator for a Nexus 5x on my Windows machine. For speed reasons [10x faster] the default is simulating the phone as if it is working with an Intel x86 architecture [Nexus 5x's Snapdragon 808 is actually based on ARM: tomshardware.com/reviews/lg-g4,4353-2...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...制。oplogSize 可以通过–oplogSize设置大小，对于linux 和windows 64位，oplog size默认为剩余磁盘空间的5%。
同步也并非只能从主节点同步，假设集群中3个节点，节点1是主节点在IDC1，节点2、节点3在IDC2，初始化节点2、节点3会从节...
Replace whole line containing a string using Sed
...if you'd
# just like to see the potential changes output to the terminal window.
# "17s" indicates that we're searching line 17
# ".*" indicates that we want to change the text of the entire line
# "REPLACEMENT-TEXT" is the new text to put on that line
# "PATH-TO-FILE" tells us what file to operat...
Automatic vertical scroll bar in WPF TextBlock?
... using MVVM.
This solution is great if you want to add a logging box to a window, that automatically scrolls to the bottom each time a new logging message is added.
Once these attached properties are added, they can be reused anywhere, so it makes for very modular and reusable software.
Add this ...
Query to list number of records in each table in a database
...ates all the data the engineers at microsoft used to populate the property window.
when you make moderate modifications to that query you will get to something like this:
SELECT
SCHEMA_NAME(tbl.schema_id)+'.'+tbl.name as [table], --> something I added
p.partition_number AS [PartitionNumber],
pr...
What is the easiest way to remove all packages installed by pip?
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This will work for all Mac, Windows, and Linux systems.
To get the list of all pip packages in the requirements.txt file (Note: This will overwrite requirements.txt if exist else will create the new one, also if you don't want to replace old requirement...
Smart pointers: who owns the object? [closed]
...if you'll only be using the objects in the context of their container.
On Windows, there are the COM pointers (IUnknown, IDispatch, and friends), and various smart pointers for handling them (e.g. the ATL's CComPtr and the smart pointers auto-generated by the "import" statement in Visual Studio bas...