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Easy way to print Perl array? (with a little formatting)
...struct says what it means, with a high degree of clarity and legibility:
$string = join ', ', @array;
print "$string\n";
This construct is documented in perldoc -fjoin.
However, I've always liked how simple $, makes it. The special variable $" is for interpolation, and the special variable $, ...
Exclude all transitive dependencies of a single dependency
...he app module yet). I found this to work:
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>app</artifactId>
<version>${project.version}</version>
<exclusions>
<exclusion>
<groupId>*</gro...
How to extract request http headers from a request using NodeJS connect
...
To see a list of HTTP request headers, you can use :
console.log(JSON.stringify(req.headers));
to return a list in JSON format.
{
"host":"localhost:8081",
"connection":"keep-alive",
"cache-control":"max-age=0",
"accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=...
How do you test private methods with NUnit?
...eType, NUnit does not. What I do instead is:
private MethodInfo GetMethod(string methodName)
{
if (string.IsNullOrWhiteSpace(methodName))
Assert.Fail("methodName cannot be null or whitespace");
var method = this.objectUnderTest.GetType()
.GetMethod(methodName, BindingFlags....
How to define multiple CSS attributes in jQuery?
...re any syntactical way in jQuery to define multiple CSS attributes without stringing everything out to the right like this:
...
When should I use a table variable vs temporary table in sql server?
...o object types. This also addresses your question about disk vs memory (I didn't see any significant difference in behaviour between the two).
Regarding the question in the title though as to when to use a table variable vs a local temporary table you don't always have a choice. In functions, for e...
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...法。由于有两个表作为数据插入表,使用数据库表的自增id并不太合适,需要一个高速的唯一自增Id服务器提供生成分布式ID。另数据库完全可以关闭写事务日志 ,提高性能,因为抓取的数据当时丢失再启动抓取就可以了, 这样...
Add 10 seconds to a Date
... Beware, my Nodejs installation returns d.getSeconds() as a string. I had to change this to (+d.getSeconds()) The unary plus converts a string to a number. Perhaps a little more obvious would be 1*d.getSeconds()
– tqwhite
Nov 30 '16 at 21:41
...
How to get whole and decimal part of a number?
... not going to end up being represented in scientific notation when cast to string. If it's a really really huge or really really tiny number then this won't be the case and this method will break.
– GordonM
Oct 4 '15 at 9:37
...
iOS - How to set a UISwitch programmatically
...in the developer API, the task setOn: animated: should do the trick.
- (void)setOn:(BOOL)on animated:(BOOL)animated
So to set the switch ON in your program, you would use:
Objective-C
[switchName setOn:YES animated:YES];
Swift
switchName.setOn(true, animated: true)
...
