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Java code for getting current time [duplicate]
...ent_time_str = time_formatter.format(System.currentTimeMillis());
//Log.i("test", "current_time_str:" + current_time_str);
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Delete files older than 15 days using PowerShell
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Thanks for this, esp including the 'WhatIf' switch for testing.
– JoelAZ
Jul 30 at 18:33
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Pretty Printing a pandas dataframe
...f you're not using Jupyter for some reason, e.g. you want to do some quick testing on the console, you can use the DataFrame.to_string method, which works from -- at least -- Pandas 0.12 (2014) onwards.
import pandas as pd
matrix = [(1, 23, 45), (789, 1, 23), (45, 678, 90)]
df = pd.DataFrame(matri...
How can I get the iOS 7 default blue color programmatically?
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@AndreyTarantsov from a quick test it seems to work fine. From the UIVIew documentation: "Manipulations to your application’s user interface must occur on the main thread. Thus, you should always call the methods of the UIView class from code running in...
Checkout another branch when there are uncommitted changes on the current branch
...e it after all. I recall at least some versions of Git allowing this, but testing just now shows it to be considered "unsafe" in Git 1.8.5.4. The same argument would apply to a modified file that happens to be modified to match the to-be-switch-to branch. Again, 1.8.5.4 just says "would be overwr...
Set the selected index of a Dropdown using jQuery
... Also in 2015, I have no problem with prop('selectedIndex', ...); (tested with Chrome & Firefox) changing the selection.
– Lambart
Sep 22 '15 at 23:15
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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
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The program consisting of the compilation unit (§7.3):
package testPackage;
class Test {
public static void main(String[] args) {
String hello = "Hello", lo = "lo";
System.out.print((hello == "Hello") + " ");
System.out.print((Other.hello == hello) + " ");
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How to tell if a browser is in “quirks” mode?
...quirks can be found here
Try sticking the following line in your HTML for testing (very bad javascript behavious I'm passing on here - sorry...make sure this never goes live :)
<a href="javascript:alert(document.compatMode);">What mode am I?</a>
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compareTo() vs. equals()
When testing for equality of String 's in Java I have always used equals() because to me this seems to be the most natural method for it. After all, its name already says what it is intended to do. However, a colleague of mine recently told me had been taught to use compareTo() == 0 instead of ...
How to get record created today by rails activerecord?
...point for doing in a way you can manipulate time. For instance, if you are testing, you will probably manipulate time and then the first option won't work. You want to avoid that kind of future possible failure that will probably take some debug time.
– lucasarruda
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