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How do I use a custom Serializer with Jackson?
...for Item but rather one for User -- if so, it'd be as simple as:
public void serialize(Item value, JsonGenerator jgen,
SerializerProvider provider) throws IOException,
JsonProcessingException {
jgen.writeNumber(id);
}
Yet another possibility is to implement JsonSerializable, in which ca...
Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...其父进程终止，则可以使用下面的循环方式：
while(getppid() != 1)
sleep(1);
这种循环称为轮询（polling），由于所有的进程都共有一个最原始的父进程init，其pid为1，所以每隔1秒查询一次父进程状态，直至父进程终止。
以上...
How to solve PHP error 'Notice: Array to string conversion in…'
...k you so much for your clear explanation. It prints out what exactly you said. It means my array has been already sent to the PHP file. Seems I can use without without any problem. Thankz again.
– t4thilina
Nov 16 '13 at 11:02
...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...ou can't do this either:
list tail length
You could use infix notation by using parenthesis to mark end of expressions:
(list tail) map (...)
(list tail) length
Note that postfix notation is discouraged because it may be unsafe.
I hope this has cleared all the doubts. If not, just drop a c...
If using maven, usually you put log4j.properties under java or resources?
...e that plugin, you can add the current folder of the JAR to the class path by adding a Class-Path manifest entry like so:
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<...
Kill some processes by .exe file name
How can I kill some active processes by searching for their .exe filenames in C# .NET or C++?
6 Answers
...
What is the HEAD in git?
...and apply them (rebase them) onto <branch>. It essentially does this by applying them as patches, so if the two branches are really different, there could be conflicts. But if <branch> is an ancestor of HEAD (i.e. you were in the right place, just forgot you'd detached HEAD) the rebase i...
How to Display blob (.pdf) in an AngularJS app
... For me this did not work in Chrome (35.0.1916.114 m). Solved this by using <object> instead of <embed>: <object data="{{content}}" type="application/pdf"></object>
– HoffZ
Jun 16 '14 at 13:34
...
The character encoding of the HTML document was not declared
...
second line produces this error in W3 validator for docytype html: Bad value encoding for attribute http-equiv on element meta.
– yitwail
Sep 28 '13 at 0:38
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Ruby on Rails generates model field:type - what are the options for field:type?
...generate a new model and forget the syntax for referencing another model's ID. I'd look it up myself, but I haven't figured out, among all my Ruby on Rails documentation links, how to find the definitive source.
...