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Limitations of SQL Server Express
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When SQL Express is idle it aggressively trims back the working memory set by writing the cached data back to disk and releasing the memory.
But this is easily worked around: Is there a way to stop SQL Express 2008 from Idling?
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Object-orientation in C
What would be a set of nifty preprocessor hacks (ANSI C89/ISO C90 compatible) which enable some kind of ugly (but usable) object-orientation in C?
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How to solve javax.net.ssl.SSLHandshakeException Error?
I connected with VPN to setup the inventory API to get product list and it works fine. Once I get the result from the web-service and i bind to UI. And also I integrated PayPal with my application for make Express checkout when I make a call for payment I'm facing this error. I use servlet for back-...
When use getOne and findOne methods Spring Data JPA
...pa.open-in-view was true, I didn't have any problem with getOne but after setting it to false , i got LazyInitializationException. Then problem was solved by replacing with findById.
Although there is another solution without replacing the getOne method, and that is put @Transactional at method whi...
log4j vs logback [closed]
...e API sugar, like this example from slf4j docs:
logger.debug("Temperature set to {}. Old temperature was {}.", t, oldT);
It's variable substitution. This is also supported by Log4j 2.
However you need to be aware that slf4j is developed by QOS who also maintain logback. Log4j 2.0 is baked in the ...
How do I change the android actionbar title and icon
...his is very simple to accomplish
If you want to change it in code, call:
setTitle("My new title");
getActionBar().setIcon(R.drawable.my_icon);
And set the values to whatever you please.
Or, in the Android manifest XML file:
<activity android:name=".MyActivity"
android:icon="@drawabl...
How do I make a splash screen?
...lic void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.splashscreen);
/* New Handler to start the Menu-Activity
* and close this Splash-Screen after some seconds.*/
new Handler().postDelayed(new Runnable(){
@Override
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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...n 2.4.2
Using the TCP loopback
Payload size = 256 bytes
测试结果
SET: 198412.69/s
GET: 198019.80/s
这个数据刚一看觉得有点超出预期了，不过看了测试前提是规避了网络开销的，Client 和 Server 全在本机。而真实的使用场景肯定是需要走网络的...
character showing up in files. How to remove them?
... You need to run with the -CSD switch, or with the PERL_UNICODE envariable set to SD, for that to work.
– tchrist
Sep 4 '11 at 18:24
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Choosing between qplot() and ggplot() in ggplot2 [closed]
...centrating on a single aspect seems optimal.
However, if you get new data sets each week, then you are probably interested in quickly exploring the data sets and producing good quality plot. In this case, learn both. You will get enough practice with the syntax and will (eventually) save time with ...