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How to add a button to UINavigationBar?
...understand where "bar" is coming from. What's the default top bar property for a UINavigationItem ?
– aneuryzm
Jun 26 '12 at 13:57
...
How do I get a list of all the duplicate items using pandas in python?
...y times. I prefer method #2: groupby on the ID.
>>> pd.concat(g for _, g in df.groupby("ID") if len(g) > 1)
ID ENROLLMENT_DATE TRAINER_MANAGING TRAINER_OPERATOR FIRST_VISIT_DATE
6 11795 3-Jul-12 0649597-White River VT 0649597-White River VT 30-Mar...
Better way to get type of a Javascript variable?
...ect is passed to the function. Internet Explorer ActiveXObject instances, for example.
– Andy E
Sep 12 '11 at 16:04
I...
Should I declare Jackson's ObjectMapper as a static field?
...t concerned if ObjectMapper is still thread-safe after ObjectMapper#setDateFormat() is called. It is known that SimpleDateFormat is not thread safe, thus ObjectMapper won't be unless it clones e.g. SerializationConfig before each writeValue() (I doubt). Could you debunk my fear?
...
Is the != check thread safe?
...ean test() {
return a != a;
}
may produce true. This is the bytecode for test()
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
ALOAD 0
GETFIELD test/Test1.a : Ljava/lang/Object;
IF_ACMPEQ L1
...
as we can see it loads field a to local vars twice, it's a non-atomic o...
Make var_dump look pretty
I have a simple $_GET[] query var set for showing testing data when pulling down queries from the DB.
13 Answers
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Setting a system environment variable from a Windows batch file?
...ariable at the system level from a command prompt in Windows 7 (or even XP for that matter). I am running from an elevated command prompt.
...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
... 为了强化这个原则，ØMQ严格地分离拓扑的建立（zmq_bind,zmq_connect）和真实消息的传递（zmq_send,zmq_rev)。 前者同底层的传输地址协同工作，比如IP地址，而后者仅仅使用处理器（文件描述符）去定位具体的拓扑： /* Topology esta...
Can someone explain the dollar sign in Javascript?
...
Note: By default, jQuery uses "$" as a shortcut for "jQuery". This has some effects on the use of other Javascript libraries. See docs.jquery.com/Using_jQuery_with_Other_Libraries
– Thimmayya
Nov 7 '09 at 1:27
...
Making a property deserialize but not serialize with json.net
...mple approaches you can use to achieve the result you want.
Let's assume, for example, that you have your classes currently defined like this:
class Config
{
public Fizz ObsoleteSetting { get; set; }
public Bang ReplacementSetting { get; set; }
}
enum Fizz { Alpha, Beta, Gamma }
class Ba...