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Check if application is on its first run [duplicate]
...
The following is an example of using SharedPreferences to achieve a 'first run' check.
public class MyActivity extends Activity {
SharedPreferences prefs = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
...
Creating a blurring overlay view
...c, you could use CIGaussianBlur from Core Image (requires iOS 6). Here is sample: https://github.com/evanwdavis/Fun-with-Masks/blob/master/Fun%20with%20Masks/EWDBlurExampleVC.m
Mind you, this is slower than the other options on this page.
#import <QuartzCore/QuartzCore.h>
- (UIImage*) blur...
What is the difference between Ruby 1.8 and Ruby 1.9
...::VALID
XChar::PREDEFINED[n] or
(n>128 ? n.chr : (escape ? "&##{n};" : [n].pack('U*')))
else
Builder::XChar::REPLACEMENT_CHAR
end
end
unpack('U*').map {|n| n.xchr(escape)}.join
BasicObject More Brutal Than BlankSlate
Ruby 1.9
irb(main):001:0> class C < BasicObje...
How to add Git's branch name to the commit message?
... Aha, Mac OSX difference, see: hintsforums.macworld.com/showpost.php?p=393450&postcount=11 for the fix
– Adam Parkin
Jul 16 '13 at 18:19
2
...
Check whether a path is valid
...ellFormedUriString():
The string is not correctly escaped.
http://www.example.com/path???/file name
The string is an absolute Uri that represents an implicit file Uri.
c:\\directory\filename
The string is an absolute URI that is missing a slash before the path.
file://c:/directory/filename
T...
PHP报错：Only variables should be passed by reference - C/C++ - 清泛网 - 专注C/C++及内核技术
PHP报错：Only variables should be passed by reference错误信息如下：Strict Standards: Only variables should be passed by reference in D: wamp ecshop includes cls_template.php...错误信息如下：
Strict Standards: Only variables should be passed by reference in xxx\ecshop\includes\c...
Detect if an input has text in it using CSS — on a page I am visiting and do not control?
...Styling (zEvent) {
var inpVal = zEvent.target.value;
if (inpVal && inpVal.replace (/^\s+|\s+$/g, "") )
zEvent.target.style.background = "lime";
else
zEvent.target.style.background = "inherit";
}
...
How can I compare two dates in PHP?
How can I compare two dates in PHP?
13 Answers
13
...
Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
... particular device you want to install
adb -s deviceId install path+apk
Example:
Step 1:
C:\Android\android-sdks\platform-tools>adb devices
List of devices attached emulator-5554 device 014FD87107021017
device
Step 2:
C:\Android\android-sdks\platform-tools>adb -s 014FD87107021017 install...
pyplot axes labels for subplots
... be created before ax1 and ax2, otherwise the big plot will cover up the small plots.
– 1''
Nov 29 '14 at 21:06
ax.gri...