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Is 'float a = 3.0;' a correct statement?
...
It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specifically, consider:
float foo(...
List all indexes on ElasticSearch server?
...oncise list of all indices in your cluster, call
curl http://localhost:9200/_aliases
this will give you a list of indices and their aliases.
If you want it pretty-printed, add pretty=true:
curl http://localhost:9200/_aliases?pretty=true
The result will look something like this, if your indic...
Cost of exception handlers in Python
...e just tried the following:
import timeit
statements=["""\
try:
b = 10/a
except ZeroDivisionError:
pass""",
"""\
if a:
b = 10/a""",
"b = 10/a"]
for a in (1,0):
for s in statements:
t = timeit.Timer(stmt=s, setup='a={}'.format(a))
print("a = {}\n{}".format(a,s))
...
How can I update the current line in a C# Windows Console App?
...
805
If you print only "\r" to the console the cursor goes back to the beginning of the current line...
How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
5
...
GoTo Next Iteration in For Loop in java
...d would start the next iteration upon invocation
For Example
for(int i= 0 ; i < 5; i++){
if(i==2){
continue;
}
System.out.print(i);
}
This will print
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Can't find @Nullable inside javax.annotation.*
...roupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId>
<version>3.0.2</version>
</dependency>
and for Gradle:
dependencies {
testImplementation 'com.google.code.findbugs:jsr305:3.0.2'
}
...
How to initialize array to 0 in C?
...are automatically initialized to zero. If you have simply
char ZEROARRAY[1024];
at global scope it will be all zeros at runtime. But actually there is a shorthand syntax if you had a local array. If an array is partially initialized, elements that are not initialized receive the value 0 of the ap...
css3 drop shadow under another div, z-index not working [duplicate]
... TylerH
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answered Jul 15 '10 at 19:10
gearsdigitalgearsdigital
12k66 ...
WCF：使用Array替代List - 更多技术 - 清泛网 - 专注IT技能提升
...你能想象我是多么惊讶地看到服务进程的CPU消耗吗？约400K的Image CPU达到了15-20%。我必须考虑一个更好的方案了。
以下是WCF中duplex channel的结构：
[ServiceContract(CallbackContract = typeof(IServiceCallback),
SessionMode = SessionMode.Required)]
...