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How can I convert an RGB image into grayscale in Python?
...ad('image.png')
gray = rgb2gray(img)
plt.imshow(gray, cmap=plt.get_cmap('gray'), vmin=0, vmax=1)
plt.show()
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How to convert a char to a String?
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@BinkanSalaryman using javac 1.8.0_51-b16 and then javap to decompile, I see the constructor/method calls I have in the answer. What are you using?
– Paul Bellora
Jul 24 '15 at 2:55
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Fancybox doesn't work with jQuery v1.9.0 [ f.browser is undefined / Cannot read property 'msie' ]
...6800 +0100
@@ -26,7 +26,9 @@
titleHeight = 0, titleStr = '', start_pos, final_pos, busy = false, fx = $.extend($('<div/>')[0], { prop: 0 }),
- isIE6 = $.browser.msie && $.browser.version < 7 && !window.XMLHttpRequest,
+ isIE = !+"\v1",
+
+ ...
Difference between getDefaultSharedPreferences and getSharedPreferences
...efaultSharedPreferences will use a default name like "com.example.something_preferences", but getSharedPreferences will require a name.
getDefaultSharedPreferences in fact uses Context.getSharedPreferences (below is directly from the Android source):
public static SharedPreferences getDefaultShar...
How to export query result to csv in Oracle SQL Developer?
...oke my import. The best workaround I found was to write my query with a TO_CHAR() on all my timestamps, which yields the correct output, albeit with a little more work. I hope this saves someone some time or gets Oracle on the ball with their next release.
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How can I avoid running ActiveRecord callbacks?
I have some models that have after_save callbacks. Usually that's fine, but in some situations, like when creating development data, I want to save the models without having the callbacks run. Is there a simple way to do that? Something akin to...
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C# 通过代码安装、卸载、启动、停止服务 - .NET(C#) - 清泛IT论坛，有思想、有深度
...sp; IDictionary _SavedState = new Hashtable();
ServiceController service = new ServiceController(serviceName);
 ...
How to print out more than 20 items (documents) in MongoDB's shell?
...h(function(f){print(tojson(f, '', true));});
which would return only the _id and name field from foo.
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Hidden Features of JavaScript? [closed]
...his trick is utilized by the default Google Analytics snippet. ` var _gaq = _gaq || [];`; it prevents overzealous users from overwriting their own work.
– Yahel
Nov 11 '10 at 0:29
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Visual Studio immediate window command for Clear All
...ClearImmediateWindow()
Try
Dim vsWindowKindImmediateWindow As String _
= "{ECB7191A-597B-41F5-9843-03A4CF275DDE}"
Try
Dim obj As Object = System.Runtime.InteropServices.Marshal._
GetActiveObject("VisualStudio.DTE.10.0")
If obj IsNot Nothing...