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image.onload event and browser cache
...oad? You had it right in the first code example, but messed up the second one. The second one will not work properly in some versions of IE.
– jfriend00
Sep 10 '12 at 16:42
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Gson custom seralizer for one variable (of many) in an object using TypeAdapter
...delegate = gson.getDelegateAdapter(this, type);
final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
return new TypeAdapter<C>() {
@Override public void write(JsonWriter out, C value) throws IOException {
JsonElement tree = delegate.to...
What is Unicode, UTF-8, UTF-16?
...d were a few control characters, punctuation, numbers and letters like the ones in this sentence. Unfortunately, today's strange world of global intercommunication and social media was not foreseen, and it is not too unusual to see English, العربية, 汉语, עִבְרִית, ελληνικά,...
Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
...1 based days that are the oddballs here...oddly enough. Why was this was done? I don't know...but probably happened the same meeting they got plastered and decided semicolons were optional.
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Django DB Settings 'Improperly Configured' Error
...ings, Django doesn't know what project you want to work on. You have to do one of these things:
Use python manage.py shell
Use django-admin.py shell --settings=mysite.settings (or whatever settings module you use)
Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings
(This ...
MySQL - UPDATE multiple rows with different values in one query
...ssumes that the user_rol, cod_office combination is a primary key. If only one of these is the primary key, then add the other field to the UPDATE list.
If neither of them is a primary key (that seems unlikely) then this approach will always create new records - probably not what is wanted.
However...
How to count TRUE values in a logical vector
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Another option which hasn't been mentioned is to use which:
length(which(z))
Just to actually provide some context on the "which is faster question", it's always easiest just to test yourself. I made the vector much larger for comparison:
z <- sample(c(TR...
How to center a “position: absolute” element
...ng an element that has the attribute position set to absolute .
Does anyone know why the images are not centered?
26 Ans...
How to print the contents of RDD?
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If you want to view the content of a RDD, one way is to use collect():
myRDD.collect().foreach(println)
That's not a good idea, though, when the RDD has billions of lines. Use take() to take just a few to print out:
myRDD.take(n).foreach(println)
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How do I test if a string is empty in Objective-C?
...RO WIDTH SPACE is doesn't really matter, because @"\u200B" is a character nonetheless so if you test for the string to be empty, it will say it isn't because there is a character in it. It's just not printable following the Unicode standard.
– bmeulmeester
Jun ...