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Convert blob to base64
...ject, I wanted to download an image and then store it as a cached image:
fetch(imageAddressAsStringValue)
.then(res => res.blob())
.then(blobToBase64)
.then(finalResult => {
storeOnMyLocalDatabase(finalResult);
});
...
How to show android checkbox at right side?
...013/07/17/… . add a clickListener, and toggle the checking, and inside "setChecked" set the state of the child views accordingly but only if they implement Checkable.
– android developer
Oct 30 '14 at 0:06
...
Is it good style to explicitly return in Ruby?
...d
Was this meant to be a function that returned a value, or not? It's really hard to say what the developer meant, as it both assigns the instance variable, AND returns the value assigned as well.
Suppose much later, another programmer (perhaps not that familiar with how Ruby does returns based ...
Importing two classes with same name. How to handle?
...where. I often do this in unit tests for matchers and .whens, .thenReturns etc. - removes the Mockito. bloat.
– CptBartender
Apr 1 '16 at 10:02
...
What can be the reasons of connection refused errors?
...tstat -nupl|grep 3306.
3.Check your firewalls.
For example add 3306
vim /etc/sysconfig/iptables
# add
-A INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -j ACCEPT
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Show a popup/message box from a Windows batch file
...me. Others have reported it works on Home Premium and Enterprise, Ultimate etc.. seems plain old home doesn't get it (it doesn't exist in System32, but can be added).
– shox
May 1 '18 at 21:33
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Why does document.querySelectorAll return a StaticNodeList rather than a real Array?
...y the "host" environment (eg a web browser). For example document, window, etc. IE often implements these "specially" (for example as COM objects) that sometimes don't conform to normal usage, in small and subtle ways, such as Array.prototype.slice.call bombing when given a StaticNodeList ;)
...
Fastest way to check a string contain another substring in JavaScript?
...create a RegExp object and process the string to escape special characters etc.
– Stephen Chung
Mar 14 '11 at 8:36
fro...
Direct casting vs 'as' operator?
... tend to almost never use 2 since if something is not the right type, I usually expect an exception to occur. I have only seen a need for this return-null type of functionality with badly designed libraries which use error codes (e.g. return null = error, instead of using exceptions).
3 is not a ca...
NSDictionary - Need to check whether dictionary contains key-value pair or not
...uldn't we mistakenly think that the key isn't present in the dictionary at all?
– jbx72487
Feb 1 '13 at 18:51
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