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setState vs replaceState in React.js
...ows out the current state, and replaces it with only what you provide. Usually setState is used unless you really need to remove keys for some reason; but setting them to false/null is usually a more explicit tactic.
While it's possible it could change; replaceState currently uses the object passe...
Google Maps Android API v2 Authorization failure
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Steps:
to ensure that device has Google Play services APK
to install Google Play Service rev. more than 2
to create project at https://code.google.com/apis/console/
to enable "Google Maps Android API v2"
to register of SHA1 in project (NOW, YOU NEED WRITE SHA1;your.app.package.name) ...
CSS: how do I create a gap between rows in a table?
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All you need:
table {
border-collapse: separate;
border-spacing: 0 1em;
}
That assumes you want a 1em vertical gap, and no horizontal gap. If you're doing this, you should probably also look at controlling your li...
What's the difference between a word and byte?
I've done some research.
A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits?
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Can virtual functions have default parameters?
... or a derived class' -- is determined by the static type used to make the call to the function. If you call through a base class object, pointer or reference, the default denoted in the base class is used. Conversely, if you call through a derived class object, pointer or reference the defaults de...
git rebase: “error: cannot stat 'file': Permission denied”
I'm using git, and made a small commit followed by a large one. I decided to use git rebase to squash the two commits together before pushing them. (I've never done this before.)
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jQuery and TinyMCE: textarea value doesn't submit
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Before submitting the form, call tinyMCE.triggerSave();
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What is the difference between jQuery: text() and html() ?
...r .html()?
Answer: .html() is faster! See here a "behaviour test-kit" for all the question.
So, in conclusion, if you have "only a text", use html() method.
Note: Doesn't make sense? Remember that the .html() function is only a wrapper to .innerHTML, but in the .text() function jQuery adds an "enti...
What's the difference between QMainWindow, QWidget and QDialog?
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A QWidget is the base class for all drawable classes in Qt. Any QWidget-based class can be shown as a window by showing it when it has no parent.
A QDialog is based on QWidget, but designed to be shown as a window. It will always appear in a window, and ...
When to use Task.Delay, when to use Thread.Sleep?
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@RoyiNamir: No. There is no "other thread". Internally, it's implemented with a timer.
– Stephen Cleary
Nov 3 '14 at 18:34
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