大约有 40,000 项符合查询结果（耗时：0.0326秒） [XML]
Change multiple files
...yz/g' xa*
This will work for a moderate amount of files, probably on the order of tens, but probably not on the order of millions.
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What did MongoDB not being ACID compliant before v4 really mean?
...ent.
If you need to remove an item from inventory and add it to someone's order at the same time - you can't. Unless those two things - inventory and orders - exist in the same document (which they probably do not).
I encountered this very same issue in an application I am working on and had two ...
How to read an external local JSON file in JavaScript?
...have saved a JSON file in my local system and created a JavaScript file in order to read the JSON file and print data out. Here is the JSON file:
...
Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)
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In order to control the behavior of a mock object (in Moq, at least), you either need to mock an interface, or make sure that the behavior you're trying to control is marked virtual. In your comment, I understand it so that the ...
Get the value of an instance variable given its name
...iting so instead of having many variables + an array with the names in the order I wanted, I put the parameters themselves into the array (the design decision was whether to access variables each time by searching the array or optimize by having an additional array with their names that would be use...
Why use a public method in an internal class?
...ation detail; something else internal to this assembly needs the member in order to work correctly. A public member says "this member represents the key, documented functionality provided by this object."
Basically, my attitude is: suppose I decided to make this internal class into a public class. ...
Bitwise operation and usage
...the data type, Python simply expands the width to cater for extra bits. In order to get the discarding behaviour in Python, you can follow a left shift with a bitwise and such as in an 8-bit value shifting left four bits:
bits8 = (bits8 << 4) & 255
With that in mind, another example of ...
Convert a string representation of a hex dump to a byte array using Java?
...didn't really understand - like omit some leading 0x00 and also mix up the order of 1 byte in a 156 byte string I was playing with.
– rafraf
Sep 26 '08 at 16:43
2
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Is it a bad practice to use an if-statement without curly braces? [closed]
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The "rule" I follow is this:
If the "if" statement is testing in order to do something (I.E. call functions, configure variables etc.), use braces.
if($test)
{
doSomething();
}
This is because I feel you need to make it clear what functions are being called and where the flow of the...
Is it possible to serialize and deserialize a class in C++?
...s to me that boost::serialization requires the caller to keep track of the order in which objects are written and read. Is that correct? So if there is a change in the order in which two fields are written between versions of a program then we have an incompatibility. Is this right?
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