大约有 30,000 项符合查询结果（耗时：0.0570秒） [XML]
Upgrading Node.js to latest version
...have Node.js installed and now when I tried to install Mongoosejs I got an error telling me that I don't have the needed version of Node.js (I have v0.4.11 and v0.4.12 is needed).
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Get an object's class name at runtime
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typescript will throw error on this. should do let instance: any = this.constructor; console.log(instance.name);
– Subash
Jul 29 '16 at 6:26
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Python ValueError: too many values to unpack [duplicate]
...an two keys*, they can't be unpacked into the tuple "k, m", hence the ValueError exception is raised.
In Python 2.x, to iterate over the keys and the values (the tuple "k, m"), we use self.materials.iteritems().
However, since you're throwing the key away anyway, you may as well simply iterate ove...
How can I check for “undefined” in JavaScript? [duplicate]
... for pointing out that your third case - if (myVariable) can also throw an error in two cases. The first is when the variable hasn't been defined which throws a ReferenceError.
// abc was never declared.
if (abc) {
// ReferenceError: abc is not defined
}
The other case is when the variable ...
Java Try Catch Finally blocks without Catch
...er running the finally block).
If the finally block throws an exception / error / throwable, and there is already a pending throwable, it gets ugly. Quite frankly, I forget exactly what happens (so much for my certification years ago). I think both throwables get linked together, but there is som...
File tree view in Notepad++
...orer in Windows 8.1 (with .net 2.0 enabled) and it is a Notepad++ xploder! Error message "Object reference not set to an instance of an object".
– Shane
Feb 20 '14 at 23:00
3
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Checking if an object is a given type in Swift
... is not a string array
}
You can use "as!" and that will throw a runtime error if obj is not of type [String]
let stringArray = obj as! [String]
You can also check one element at a time:
let items : [Any] = ["Hello", "World"]
for obj in items {
if let str = obj as? String {
// obj is ...
Count table rows
... COUNT(*) is a strict language definition. You will get a parse error if you try COUNT (*) note the space
– ppostma1
Jun 23 '14 at 18:30
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What is the Windows equivalent of the diff command?
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@AndriyM So, new files would cause FC to error out without returning any actual lines? Only the error message?
– Wolfpack'08
Jan 19 '14 at 22:22
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What is the difference between gmake and make?
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