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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/$1.
– c...
What's the difference between the atomic and nonatomic attributes?
... getter or set by the setter, regardless of setter activity on any other thread. That is, if thread A is in the middle of the getter while thread B calls the setter, an actual viable value -- an autoreleased object, most likely -- will be returned to the caller in A.
In nonatomic, no such guarant...
List submodules in a Git repository
... WARNING: awk fails for submodules with spaces! The command should read git config -z --file .gitmodules --get-regexp '\.path$' | 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...
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...
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...
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...