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Do try/catch blocks hurt performance when exceptions are not thrown?
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Can you try them in reverse order as well to be sure that JIT compilation hasn't had an effect on the former?
– JoshJordan
Aug 20 '09 at 20:04
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Multiple variables in a 'with' statement?
... differs from the standard nested with blocks. The managers are created in order before entering the with blocks: m1, m2, m3 = A(), B(), C() If B() or C() fails with exception, then your only hope of properly finalizing A() is the garbage collector.
– Rafał Dowgird
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How do I set the UI language in vim?
...ystem, but with German semantics for letters, except that the default sort order is ASCIIbetical (ie. sort by codepoint, not according to language conventions). You could use a different variation; see man 7 locale for more.
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How can I include a YAML file inside another?
... consume an inordinate amount of time because of recursive search.
In order to enable recursive argument, we shall write the !include tag in Mapping or Sequence mode:
Arguments in Sequence mode:
!include [tests/data/include.d/**/*.yaml, true]
Arguments in Mapping mode:
!include {pathna...
How to import the class within the same directory or sub directory?
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I just learned (thanks to martineau's comment) that, in order to import classes from files within the same directory, you would now write in Python 3:
from .user import User
from .dir import Dir
share
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How exactly does the callstack work?
...called function prologue and epilogue, respectively.
Inside the frame the order of the variables is completely unspecified; Compilers "reorder" the positions of local variables inside a frame appropriately to optimize their alignment so the processor can fetch them as quickly as possible. The cruci...
Ways to implement data versioning in MongoDB
..., content: "bar" }
]
}
data contains all versions. The data array is ordered, new versions will only get $pushed to the end of the array. data.vid is the version id, which is an incrementing number.
Get the most recent version:
find(
{ "_id":ObjectId("...") },
{ "data":{ $slice:-1 } ...
Multiline strings in VB.NET
...5.
Dim sql As String = "
SELECT ID, Description
FROM inventory
ORDER BY DateAdded
"
You can combine them with string interpolation to maximize usefullness:
Dim primaryKey As String = "ID"
Dim inventoryTable As String = "inventory"
Dim sql As String = $"
SELECT {primaryKey}, Descrip...
How do I prevent node.js from crashing? try-catch doesn't work
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Other answers are really insane as you can read at Node's own documents at http://nodejs.org/docs/latest/api/process.html#process_event_uncaughtexception
If someone is using other stated answers read Node Docs:
Note that uncaughtException i...
普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...各种“喷子”从“性能”、“道德”、“微软很坏”、“PHP是最好的”等各种无厘头开喷。这似乎是程序员们的通病，对于一个自己没有好感的东西（比如：国产或者微软，这两个最容易拉仇恨）会各种毫无理性的嘲讽。这种狭...