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What is an unsigned char?
...its value - that is, no padding bits occur in the object.
Adding only one time UCHAR_MAX+1 to -1 will yield a value in range, namely UCHAR_MAX
That's enough, actually! So whenever you want to have an unsigned char having all its bits one, you do
unsigned char c = (unsigned char)-1;
It also fol...
UIView's frame, bounds, center, origin, when to use what?
... center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the local view (therefore its x and y are 0, but not...
Change default global installation directory for node.js modules in Windows?
...ming\npm
%USERPROFILE%\AppData\Roaming\npm-cache
WARNING: If you're doing timed events or other automation as a different user, make sure you run npm install as that user. Some modules/utilities should be installed globally.
INSTALLER BUGS: You may have to create these directories or add the ...\np...
How to use enum values in f:selectItem(s)
I want to make a selectOneMenu dropdown so I can select a status on my question. Is it possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the i...
Why can I pass 1 as a short, but not the int variable i?
... @acidzombie24 There is no way a literal could to be passed in during runtime. So you can just use your eyes to check at compile time.
– Justin
Jul 11 '12 at 12:22
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Does Android keep the .apk files? if so where?
After android installs an application from the Marketplace, does it keep the .apk file?
19 Answers
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What is the iBeacon Bluetooth Profile
I'd like to create my own iBeacon with some Bluetooth Low Energy dev kits. Apple has yet to release a specification for iBeacons, however, a few hardware developers have reverse Engineered the iBeacon from the AirLocate Sample code and started selling iBeacon dev kits.
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string.ToLower() and string.ToLowerInvariant()
...ght be in their native language/character-set, would generally be the only time you use ToLower.
See this question for an example of this issue:
C#- ToLower() is sometimes removing dot from the letter "I"
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how to show progress bar(circle) in an activity having a listview before loading the listview with d
...that this sample only covers the basic circle loading bar without the real time progress status).
loading = new ProgressDialog(v.getContext());
loading.setCancelable(true);
loading.setMessage(Constant.Message.AuthenticatingUser);
loading.setProgressStyle(ProgressDialog.STYLE_SPINNER);
STEP 4: If ...
Reset other branch to current without a checkout
...
You can sync with this command your branches at any time
$ git push . CurrentBranch:OtherBranch -f
Also without -f it replace this set of commands
$ git checkout OtherBranch
$ git merge CurrentBranch
$ git checkout CurrentBranch
It can be useful when you don't need commi...