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Postgresql GROUP_CONCAT equivalent?
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This is probably a good starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you...
How to find the array index with a value?
... edited Jun 24 '19 at 15:08
vba_user111
20911 silver badge1313 bronze badges
answered Sep 8 '11 at 10:49
voig...
OS X: equivalent of Linux's wget
...p;& make -j8 && make install
Or, use a bash alias:
function _wget() { curl "${1}" -o $(basename "${1}") ; };
alias wget='_wget'
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Can I define a class name on paragraph using Markdown?
...for <blockquote>)
I found the following online:
Function
function _DoBlockQuotes_callback($matches) {
...cut...
//add id and class details...
$id = $class = '';
if(preg_match_all('/\{(?:([#.][-_:a-zA-Z0-9 ]+)+)\}/',$bq,$matches)) {
foreach ($matches[1] as $match) {...
What does ':' (colon) do in JavaScript?
... is a float. Pretty sur that's what that means.
– Sal_Vader_808
May 14 '17 at 11:08
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Cannot push to Git repository on Bitbucket
...er.email "you@example.com"
Check for OpenSSH:
$ ssh -v localhost
OpenSSH_4.6p1, OpenSSL...
See something like that?
Yes: Continue.
No: Skip to the FOR THE LAZY section or follow the linked article from VonC.
See if you have generated the keys already:
$ ls -a ~/.ssh/id_*
If there are two...
Reserved keywords in JavaScript
... rather than just the top google hit.
http://developer.mozilla.org/En/Core_JavaScript_1.5_Reference/Reserved_Words
JScript 8.0:
http://msdn.microsoft.com/en-us/library/ttyab5c8.aspx
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improv...
生物识别使用指导 · App Inventor 2 中文网
...Initialize() {
生物识别1.AllowDeviceCredential = false
垂直布局_隐私.Visible = false
}
when 按钮_解锁.Click() {
生物识别1.Authenticate("解锁私人内容", "请验证本机身份")
}
when 生物识别1.AuthSucceeded() {
垂直布局_隐私.Visible = true
}
设备必须...
How to get key names from JSON using jq
...rchiver-Version" : "Plexus Archiver", "Build-Id" : "", "Build-Jdk" : "1.7.0_07", "Build-Number" : "", "Build-Tag" : "", "Built-By" : "cporter", "Created-By" : "Apache Maven", "Implementation-Title" : "northstar", "Implementation-Vendor-Id" : "com.test.testPack", "Implementation-Version" : "testBox",...
Difference between Java Enumeration and Iterator
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@Paul_Draper: Edits should not be adding new meaning to the post, that is what comments are for.
– Emil
Nov 11 '12 at 17:40
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