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How can I undo git reset --hard HEAD~1?
...ewer blobs.
$ git init
Initialized empty Git repository in .git/
$ echo "testing reset" > file1
$ git add file1
$ git commit -m 'added file1'
Created initial commit 1a75c1d: added file1
1 files changed, 1 insertions(+), 0 deletions(-)
create mode 100644 file1
$ echo "added new file" > fil...
How can I get a list of all classes within current module in Python?
...sinstance( getattr(current_module, key), type ):
print(key)
# test.py
import foo
foo.print_classes()
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Linux command: How to 'find' only text files?
...ile /proc/meminfo says /proc/meminfo: empty. I wonder if 'empty' should be tested in addition to 'text', but not sure if also other types could report 'empty'.
– Timo Kähkönen
Mar 8 '13 at 0:26
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Extending Angular Directive
...irective's priority level changes?
JeetendraChauhan has claimed (I haven't tested it though) that this solution will not work in version 1.13.
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How to select date from datetime column?
...ing LIKE instead of operators in an indexed column is high. These are some test results on a table with 1,176,000 rows:
using datetime LIKE '2009-10-20%' => 2931ms
using datetime >= '2009-10-20 00:00:00' AND datetime <= '2009-10-20 23:59:59' => 168ms
When doing a second call over the...
C# elegant way to check if a property's property is null
...
In C# 6 you can use the Null Conditional Operator. So the original test will be:
int? value = objectA?.PropertyA?.PropertyB?.PropertyC;
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Is there any way to see the file system on the iOS simulator?
...` -a Finder
Full Sample
open `xcrun simctl get_app_container booted com.Test data` -a
BUNDLEID_OF_YOUR_APP ???
BUNDLEID_OF_YOUR_APP = "Bundle Identifier"
Features of the solution 1
open file to get app simulator directory
Solution 2
Create a bash scrip with a name of your app and ...
30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...唤醒更为渺茫。
他的同事和亲人没放弃，并根据程xx对testing痴迷的作风，每天都在她身边念：“你测的模块上线后回滚了。”
奇迹发生了，程xx醒来第一句话：确认那模块是我测的?
23.烂代码
程序员最憋屈的事情就是：你辛...
Showing empty view when ListView is empty
... works clearly with FragmentActivity if you are using the support library. Tested this by building for API 17 i.e. 4.2.2 image.
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Xml Namespace breaking my xpath! [duplicate]
...inimal namespace used in the xpath :(
Here is one I hacked together while testing, no guarantee of memory
// don't care what prefix given, there can only be the one
struct NoPrefixResolver : public xalanc::PrefixResolver {
NoPrefixResolver(const xalanc::XalanDOMString& theURI) : m_uri(t...