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Removing Data From ElasticSearch
...lasticSearch. I have deleted my indexes. However, that doesn't seem to actually remove the data itself. The other stuff I've seen points to the Delete by Query feature. However, I'm not even sure what to query on. I know my indexes. Essentially, I'd like to figure out how to do a
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PHP random string generator
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To answer this question specifically, two problems:
$randstring is not in scope when you echo it.
The characters are not getting concatenated together in the loop.
Here's a code snippet with the corrections:
function generateRandomString($length = 10)...
Update MongoDB field using value of another field
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The best way to do this is in version 4.2+ which allows using of aggregation pipeline in the update document and the updateOne, updateMany or update collection method. Note that the latter has been deprecated in most if not all languages drivers.
MongoDB 4.2+
Version 4.2 ...
load scripts asynchronously
...time to load. it will be nice if I can display the loader before importing all the:
19 Answers
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phpcms v9与ucenter通信失败 完美解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用名称：phpsso
应用的主 URL：http：//localhost/phpcms/phpsso_server （必填， phpcms 安装路径，视实际情况而定，最后不要带斜线）
应用 IP：（选填，正常情况下留空即可。如果由于域名解析问题导致 UCenter 与该应用通信失败，...
eclipse升级后启动失败：Heap堆内存不足 - 更多技术 - 清泛网 - 专注C/C++及内核技术
eclipse升级后启动失败：Heap堆内存不足eclipse_upgrade_outof_memory修改 eclipse ini，更改 -Xmx521m 为 -Xmx3g
本来打算从Eclipse（2020-06）更新一下（2021-03），没想到升级成后Eclipse启动不了，错误日志如下：
!SESSION 2021-06-16 17:03:13.186 ---------...
How to remove the left part of a string?
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But also throws if your input isn't all in the form "something=somethingelse".
– Dan Olson
Mar 1 '09 at 22:17
1
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Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
I want to use the method of "findall" to locate some elements of the source xml file in the ElementTree module.
10 Answers
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Get value of a string after last slash in JavaScript
...rn value (if (n !== -1)), but in the above since we're adding 1 to it and calling substring, we'd end up doing str.substring(0) which just returns the string.
Using Array#split
Sudhir and Tom Walters have this covered here and here, but just for completeness:
var parts = "foo/bar/test.html".split...
Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
...swered Jun 17 '16 at 15:20
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