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Adding a new array element to a JSON object
... parse it so you can apply the changes to a native JavaScript Object, then stringify back to JSON
var jsonStr = '{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}';
var obj = JSON.parse(jsonStr);
obj['theTeam'].push({"teamId":"4","sta...
How to check if an array value exists?
.....' messages.
As for the test whether the element's value is equal to a string you can use == or (again sometimes better) the identity operator === which doesn't allow type juggling.
if( isset($something['say']) && 'bla'===$something['say'] ) {
// ...
}
...
How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
....;C:\My_python_lib If you don't, windows will expand %PYTHONPATH% to empty string as expected, it will keep it as %PYTHONPATH% in the PYTHONPATH and everything will break! Sounds crazy but thats how win7 cmd works...
– ntg
Nov 10 '17 at 12:19
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Recommended add-ons/plugins for Microsoft Visual Studio [closed]
...
SmartPaster - (FREE) Copy/Paste code generator for strings
AnkhSvn - (FREE) SVN Source Control Integration for VS.NET
VisualSVN Server - (FREE) Source Control
ReSharper - IDE enhancement that helps with refactoring and productivity
CodeRush - Code gen macros on steroids
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JsonMappingException: out of START_ARRAY token
...
Your JSON string is malformed: the type of center is an array of invalid objects. Replace [ and ] with { and } in the JSON string around longitude and latitude so they will be objects:
[
{
"name" : "New York",
"num...
Replacing Pandas or Numpy Nan with a None to use with MysqlDB
...to use before inserting with Django to avoid the np.nan being converted to string "nan"
– shadi
May 11 '18 at 8:04
Use...
How can I select the first day of a month in SQL?
...
The casting of a string (i.e. "5/1/2009") to datetime is certainly more legible but we found code a while back that would return the first of the month...
DECLARE @Date DATETIME
//...
SELECT DATEADD(mm, DATEDIFF(mm,0,@Date), 0)
...
The maximum value for an int type in Go
...nt, which is what happens if you do not explicitly type constants prior to string interpolation. Use int64(math.MaxInt64) instead, see stackoverflow.com/questions/16474594/…
– domoarigato
Dec 29 '17 at 21:40
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Why does my Spring Boot App always shutdown immediately after starting?
...blic class SpringBootApacheKafkaApplication {
public static void main(String[] args) {
SpringApplication.run(SpringBootApacheKafkaApplication.class,args).close();
}
}
then just remove the close() method. That's fixed my problem! Maybe I can help someone with that
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BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
文章源自：https://www.gandalf.site/2018/11/ble_26.html
商业级的Ellisys BEX400侦听工具最为符合对BLE流量捕获及分析的要求，然而售价过于昂贵；
其次，作为开源硬件且配有混杂模式追踪的“超牙”设备——Ubertooth One拥有二次开发和嗅...