大约有 14,000 项符合查询结果（耗时：0.0416秒） [XML]
Format decimal for percentage values?
...een the value and the "%", and whether the "%" is leading or trailing, you can use NumberFormatInfo's PercentPositivePattern and PercentNegativePattern properties.
For example, to get a decimal value with a trailing "%" and no space between the value and the "%":
myValue.ToString("P2", new Numbe...
How to set limits for axes in ggplot2 R plots?
...
Basically you have two options
scale_x_continuous(limits = c(-5000, 5000))
or
coord_cartesian(xlim = c(-5000, 5000))
Where the first removes all data points outside the given range and the second only adjusts the visible a...
Static implicit operator
...
This is a conversion operator. It means that you can write this code:
XmlBase myBase = new XmlBase();
XElement myElement = myBase;
And the compiler won't complain! At runtime, the conversion operator will be executed - passing myBase in as the argument, and returning a v...
MYSQL Dump only certain rows
I am trying to do a mysql dump of a few rows in my database. I can then use the dump to upload those few rows into another database. The code I have is working, but it dumps everything. How can I get mysqldump to only dump certain rows of a table?
...
initializing a Guava ImmutableMap
... pairings. There is not an of(...) overload accepting a varags parameter because K and V can be different types.
You want an ImmutableMap.Builder:
ImmutableMap<String,String> myMap = ImmutableMap.<String, String>builder()
.put("key1", "value1")
.put("key2", "value2")
.put...
Why can't I use an alias in a DELETE statement?
...
I was mainly just curious, because I normally use aliases when using SELECT and other such statements, so I instinctively did what I'm used to and was wondering why it didn't work properly.
– Ricardo Altamirano
Jun ...
CATALINA_OPTS vs JAVA_OPTS - What is the difference?
I was trying to find out the difference between Apache Tomcat variables - CATALINA_OPTS and JAVA_OPTS in SO and surprised to see that there is no question/answer posted here yet. So I thought of sharing it here (with answer) after finding out the difference. Check the answer/difference below...
Rails - Nested includes on Active Records?
...t.includes(users: :profile)
If you want to include an association (we'll call it C) of an already included association (we'll call it B), you'd use the syntax above. However, if you'd like to include D as well, which is also an association of B, that's when you'd use the array as given in the exam...
Checking if a folder exists (and creating folders) in Qt, C++
...
How does this answer compare to @Petrucio's answer? I can't deduce this from the docs.
– Jonas G. Drange
Apr 27 '16 at 20:33
1
...
Namespace for [DataContract]
I can't find the namespace to use for [DataContract] and [DataMember] elements. According to what I've found, it seems that adding the following should be enough, but in my case it is not.
...