大约有 19,000 项符合查询结果（耗时：0.0190秒） [XML]
Boolean operators && and ||
...etween & and && (correspondingly | and || ) is that the former is vectorized while the latter is not.
3 ...
Django templates: verbose version of a choice
...e field, where 'FOO' is the name of the field.
Note: in case the standard FormPreview templates are not using it, then you can always provide your own templates for that form, which will contain something like {{ form.get_meal_display }}.
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...t transaction id.
A UUID is a 16-octet (128-bit) number. In its canonical form, a UUID is represented by 32 hexadecimal digits, displayed in five groups separated by hyphens, in the form 8-4-4-4-12 for a total of 36 characters (32 alphanumeric characters and four hyphens).
function generate_uuid()...
What's the difference between Invoke() and BeginInvoke()
...it was mostly geared towards Delegate.BeginInvoke, I suspect.
For Windows Forms apps, I would suggest that you should usually use BeginInvoke. That way you don't need to worry about deadlock, for example - but you need to understand that the UI may not have been updated by the time you next look at...
How can I build XML in C#?
...tElement.Save(xmlWriter);
rootElement.Untyped also yields the element in form of a XElement (from LINQ to XML).
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Stored procedure slow when called from web, fast from Management Studio
...p when MSSQL could internally convert to local under the hood, for HUGE performance gains?
– HerrimanCoder
Jun 26 '15 at 2:47
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Get element from within an iFrame
... getElementWithinIframe() {
return document.getElementById('copy-sheet-form');
}
Then you call that function like so to retrieve the element:
var el = document.getElementById("iframeId").contentWindow.functionNameToCall();
...
How do you stash an untracked file?
...l place the file back in your local workspace.
My experience
I had to perform a modification to my gitIgnore file to avoid movement of .classpath and .project files into remote repo.
I am not allowed to move this modified .gitIgnore in remote repo as of now.
.classpath and .project files are imp...
How to form tuple column from two columns in Pandas
...t a Pandas DataFrame and I want to combine the 'lat' and 'long' columns to form a tuple.
4 Answers
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What is the difference between POST and GET? [duplicate]
...ld cause.
and
POST submits data to be processed (e.g., from an HTML form) to the identified resource. The data is included in the body of the request. This may result in the creation of a new resource or the updates of existing resources or both.
So essentially GET is used to retrieve remot...