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How do I convert an existing callback API to promises?
...re the callbacks is always the last argument and its first parameter is an error. Let's first promisify one manually:
getStuff("dataParam", function(err, data) { …
To:
function getStuffAsync(param) {
return new Promise(function(resolve, reject) {
getStuff(param, function(err, data)...
Why should we typedef a struct so often in C?
...ype
name. Given the definition above,
declarations such as
s x; /* error in C */
s *p; /* error in C */
are errors in C. You must write them
as
struct s x; /* OK */
struct s *p; /* OK */
The names of unions and enumerations
are also tags rather than types.
In C...
Breaking loop when “warnings()” appear in R
...
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interrupt the loop. Nicely, R will also report to you that these particular errors were converted from warnings.
j <- function() {
for (i in 1:3) {
...
Is 23,148,855,308,184,500 a magic number, or sheer chance?
...kay, but for a pack of cigarettes? for milk and eggs‽
The space-padding error makes sense, except it does not account for the 0x1250 constant. Why is it that all of them ended up with 0x2020 2020 2020 1250 instead of 0x2020 2020 2020 2020 or different numbers in the last WORD?
Hmmm, if only 13,0...
Some projects cannot be imported because they already exist in the workspace error in Eclipse
...ject that me and my co-worker have been working on.. and keep getting this error after I select-- "import" then "import existing project" then click archive file, and then I click next, and this error comes up:
...
How do I fix “Failed to sync vcpu reg” error?
...ines running. In my case, I had genymotion running which was causing this error.
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Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
I have an issue with my HAXM installation. Here is the thing. I got this error every single time I tried to install HAXM for my computer:
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How to get “wc -l” to print just the number of lines without file name?
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I get syntax errors with this (Ubuntu 14.04). I think there is a problem with the filename.
– MERose
Jul 7 '15 at 23:34
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Delete all local git branches
...
This command still reports the same errors as mentioned in the comments for the answer below. error:branch 'STORY-123-Short-Description' not found. for each of the branches listed.
– Louth
May 16 '12 at 0:53
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how can I add the aidl file to Android studio (from the in-app billing example)
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Just as the error message says, you need to put IInAppBillingService.aidl in the correct directory dictated by it's package (com.android.vending.billing).
Within the src/main/aidl/ folder you already have, put the .aidl file in com/andr...