大约有 45,000 项符合查询结果（耗时：0.0551秒） [XML]
Convert blob to base64
...
this worked for me:
var blobToBase64 = function(blob, callback) {
var reader = new FileReader();
reader.onload = function() {
var dataUrl = reader.result;
var base64 = dataUrl.split(',')[1];
callback(base64);
};
reader.readAsDataURL(blob);
...
Why is arr = [] faster than arr = new Array?
...BER, IDENTIFIER)
new Array: NEW, IDENTIFIER
new Array(): NEW, IDENTIFIER, CALL
new Array(5): NEW, IDENTIFIER, CALL (NUMBER)
new Array(5,4): NEW, IDENTIFIER, CALL (NUMBER, NUMBER)
new Array(5, foo): NEW, IDENTIFIER, CALL (NUMBER, IDENTIFIER)
Hopefully this should provide you a sufficient visualizat...
How to revert a merge commit that's already pushed to remote branch?
...se a merge commit has more than one parent, and Git does not know automatically which parent was the mainline, and which parent was the branch you want to un-merge.
When you view a merge commit in the output of git log, you will see its parents listed on the line that begins with Merge:
commit 8f9...
How to use XPath contains() here?
...that this:
//ul[@class='featureList' and contains(li, 'Type')]
would actually select a node!
share
|
improve this answer
|
follow
|
...
How to pass argument to Makefile from command line?
...
$(shell echo $(MAKECMDGOALS) | sed 's!^.* $@ !!') to omit all targets before and just consider the following as arguments: make target1 target2 action value1 value2
– Evgeniy Generalov
May 14 '14 at 13:51
...
Getting “Skipping JaCoCo execution due to missing execution data file” upon executing JaCoCo
...fter getting rid of argLine from these plugins, jacoco started to work normally.
share
|
improve this answer
|
follow
|
...
Is #pragma once part of the C++11 standard?
Traditionally, the standard and portable way to avoid multiple header inclusions in C++ was/is to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
...
Why does Eclipse Java Package Explorer show question mark on some classes?
...lipse Helios Java Package Explorer, I see the Java class icons display a small question mark to the right of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an explanation for this in the documentation.
...
Fastest method of screen capturing on Windows
...ollect single frames, but if you modify this and keep the two targets open all the time then you could "stream" it to disk using a static counter for the file name. - I can't recall where I found this, but it has been modified, thanks to whoever!
void dump_buffer()
{
IDirect3DSurface9* pRenderTa...
In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
... While TIMESTAMP looks similar when you fetch it from the database, it's really a just a front for a unix timestamp. Its valid range goes from 1970 to 2038. The difference here, aside from the various built-in functions within the database engine, is storage space. Because DATETIME stores every digi...