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Set environment variables from file of key/value pairs
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Although reading the file line-by-line and passing each line to export is not ideal, the problem can also be fixed by simply using input redirection on the loop: while read line; do ... ; done < ./conf/$1.
– c...
List submodules in a Git repository
... WARNING: awk fails for submodules with spaces! The command should read git config -z --file .gitmodules --get-regexp '\.path$' | sed -nz 's/^[^\n]*\n//p' | tr '\0' '\n' (you need a modern sed with -z). This fails for paths with Newlines in them (they can be created with git mv). If you w...
What's the difference between the atomic and nonatomic attributes?
... getter or set by the setter, regardless of setter activity on any other thread. That is, if thread A is in the middle of the getter while thread B calls the setter, an actual viable value -- an autoreleased object, most likely -- will be returned to the caller in A.
In nonatomic, no such guarant...
In mongoDb, how do you remove an array element by its index?
...approach is not atomic and can cause some race conditions if other clients read and/or write between the two operations. If we need the operation to be atomic, we could:
Read the document from the database
Update the document and remove the item in the array
Replace the document in the database. T...
Setting Environment Variables for Node to retrieve
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@mibbit yes, that's what dotenv is all about, as it will read your .env file and apply it.
– balexandre
Feb 21 '19 at 10:39
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C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注IT技能提升
... Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite);
BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器
binFormat.Serialize(fStream, list);
//使用二进制反序列化对象
list.Cl...
C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注IT技能提升
... Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite);
BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器
binFormat.Serialize(fStream, list);
//使用二进制反序列化对象
list.Cl...
C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注IT技能提升
... Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite);
BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器
binFormat.Serialize(fStream, list);
//使用二进制反序列化对象
list.Cl...
C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注IT技能提升
... Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite);
BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器
binFormat.Serialize(fStream, list);
//使用二进制反序列化对象
list.Cl...
C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注IT技能提升
... Stream fStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite);
BinaryFormatter binFormat = new BinaryFormatter();//创建二进制序列化器
binFormat.Serialize(fStream, list);
//使用二进制反序列化对象
list.Cl...