大约有 6,600 项符合查询结果(耗时:0.0258秒) [XML]
Why can't decimal numbers be represented exactly in binary?
...int values. The same holds true for any two floating point numbers.
More info:
http://en.wikipedia.org/wiki/Countable_set
http://en.wikipedia.org/wiki/Uncountable_set
Update:
My apologies, I appear to have misinterpreted the question. My response is about why we cannot represent every real va...
Set focus on TextBox in WPF from view model
...), DispatcherPriority.Loaded); that it is updated after it is loaded. More info here: telerik.com/forums/isfocused-property#OXgFYZFOg0WZ2rxidln61Q
– Apfelkuacha
Oct 23 '18 at 8:56
...
Populate data table from data reader
...nn = new SqlConnection("Data Source=.;initial catalog=Foo;persist security info=True; user id=bar;password=foobar;"))
{
// large data set measurements
AdapterFillLargeTableTime = MeasureExecutionTimeMethod(sconn, LargeTableToFill, ExecuteDataAdapterFillStep);
...
Should logger be private static or not
...ce. There are developers which do find it correct and useful as it reveals information in which subclass exactly the logic has been performed.
– BalusC
Feb 26 '18 at 11:43
...
How to sign an android apk file
...
Here is a guide on how to manually sign an APK. It includes info about the new apk-signer introduced in build-tools 24.0.3 (10/2016)
Automated Process:
Use this tool (uses the new apksigner from Google):
https://github.com/patrickfav/uber-apk-signer
Disclaimer: Im the developer :...
Quickly reading very large tables as dataframes
...csv",sep=",",row.names=FALSE,quote=FALSE)
cat("File size (MB):",round(file.info("test.csv")$size/1024^2),"\n")
## File size (MB): 51
system.time(DF1 <- read.csv("test.csv",stringsAsFactors=FALSE))
## user system elapsed
## 24.71 0.15 25.42
# second run will be faster
sys...
Biggest GWT Pitfalls? [closed]
...dates on the client side. java.util.Calendar is not supported by GWT. More info here.
Related problem examples:
GWT java.util.Date serialization bug
Get Date details (day, month, year) in GWT
Client side time zone support in GWT
...
What is the advantage of using REST instead of non-REST HTTP?
...f an API documents endpoints, e.g. says "given a user id, you can get user info at /user/{id}, then it's not restful. Consider: does your browser have to come preprogrammed knowing how to get the HTML for a stackoverflow question page?
– Claudiu
Oct 23 '15 at 7...
Verifying a specific parameter with Moq
...f the interface
public interface IQuery
{
IQuery SetSomeFields(string info);
}
void DoSomeQuerying(Action<IQuery> queryThing);
mockedObject.Setup(m => m.DoSomeQuerying(It.Is<Action<IQuery>>(q => MyCheckingMethod(q)));
private bool MyCheckingMethod(Action<IQuery>...
To Workflow or Not to Workflow?
...
I have done several WF4 projects so lets see if I can add any useful info to the other answers.
From the description of your business problem it sounds like WF4 is a good match, so no problems there.
Regarding your concerns you are right. Basically WF4 is a new product and is lacking some im...
