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presentViewController:animated:YES view will not appear until user taps again
...is what I have now: Tap 1 Correct Guess: 1 kHz 18:04:57.173 Frequency[641:60b] [HFBCorrectViewController initWithNibName:bundle:] 18:04:57.177 Frequency[641:60b] [HFBCorrectViewController viewDidLoad] Now nothing happens until:Tap 2 18:05:00.515 Frequency[641:60b] [HFBCorrectViewController viewDid...
How do I lowercase a string in C?
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to convert to lower case is equivalent to rise bit 0x60 if you restrict yourself to ASCII:
for(char *p = pstr; *p; ++p)
*p = *p > 0x40 && *p < 0x5b ? *p | 0x60 : *p;
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Moment.js - how do I get the number of years since a date, not rounded up?
... now = moment().unix();
var then = date.unix();
var diff = (now - then) / (60 * 60 * 24 * 365);
var years = Math.floor(diff);
Edit: First version didn't quite work perfectly. The updated one should
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Rotating x axis labels in R for barplot
...= c(0,5 + max(mtcars$qsec)),
xlab = "",
space = 1)
#rotate 60 degrees (srt = 60)
text(seq(1.5, end_point, by = 2), par("usr")[3]-0.25,
srt = 60, adj = 1, xpd = TRUE,
labels = paste(rownames(mtcars)), cex = 0.65)
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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\...
How to detect user inactivity in Android
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public static final long DISCONNECT_TIMEOUT = 300000; // 5 min = 5 * 60 * 1000 ms
private static Handler disconnectHandler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
// todo
return true;
}
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How to do a scatter plot with empty circles in Python?
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import matplotlib.pyplot as plt
import numpy as np
x = np.random.randn(60)
y = np.random.randn(60)
plt.scatter(x, y, s=80, facecolors='none', edgecolors='r')
plt.show()
Note: For other types of plots see this post on the use of markeredgecolor and markerfacecolor.
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Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
... Pentium III 500 MHz 的CPU和 128 MB 内存的电脑上，RTD可以在一秒内对20000个独立的主题（topic）更新三次，对于单独一个主题的更新频率可达1秒200次。
使用场景
RTD函数很有用，如果您遇到以下情况，那么您应当考虑使用RTD函数了...
passport.js passport.initialize() middleware not in use
...eter Lyons
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Impossible to make a cached thread pool with a size limit?
...ample,
new ThreadPoolExecutor(10, // core size
50, // max size
10*60, // idle timeout
TimeUnit.SECONDS,
new ArrayBlockingQueue<Runnable>(20)); // queue with a size
Addendum: this is a fairly old answer, and it appears that JDK changed its behavior when it comes to core size ...