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AppInventor2中的二进制数据以什么样的形式传递？字节列表、字节数组是什么...
...p; resetErrorInfo(funcName);
if (!IsConnected()) {
raiseErrorOccured(funcName, new MqttException(Helper.REASON_CODE_INVALID_STATE));
return;
...
What is the quickest way to HTTP GET in Python?
What is the quickest way to HTTP GET in Python if I know the content will be a string? I am searching the documentation for a quick one-liner like:
...
String Resource new line /n not possible?
...ing name="title">Hello\nWorld!</string>
</resources>
Also, if you plan on using the string as HTML, you can use &lt;br /&gt; for a line break(<br />)
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="title">Hello&lt;br /&gt;W...
Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
...
However, if you have a normal parent div with a background, the lower element will be hidden. In this case, give the parent relative positioning and a z-index of 1. See: jsbin.com/juputice/3/edit
– Stephen Saucie...
Rails 4: List of available datatypes
...maStatements.html#method-i-add_column
These are the same as with Rails 3.
If you use PostgreSQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 2016-Se...
How to set my phpmyadmin user session to not time out so quickly? [duplicate]
... number larger than 1800.
Note:
Always keep on mind that a short cookie lifetime is all well and good for the development server. So do not do this on your production server.
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What does the term “porcelain” mean in Git?
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Makes you wonder if Linus was imagining the potential streams of excrement his plumbing would be used to transport. Plumbing for open source code is a dirty job but someone's got to do it.
– Evan Plaice
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Why does git perform fast-forward merges by default?
...e --no-ff flag causes the merge to always create a new commit object, even if the merge could be performed with a fast-forward. This avoids losing information about the historical existence of a feature branch and groups together all commits that together added the feature.
Jakub Narębski also me...
sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
... error, The actual string I am trying to insert is 74 chars long, it's: "/gifs/epic-fail-photos-there-i-fixed-it-aww-man-the-tire-pressures-low.gif"
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Display a tooltip over a button using Windows Forms
...ltip will automatically appear when the cursor hovers over the button, but if you need to display it programatically, call
MyToolTip.Show("Tooltip text goes here", MyButton)
in your code to show the tooltip, and MyToolTip.Hide(MyButton) to make it disappear again.
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