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SQL selecting rows by most recent date
...function to get the most recent service month. The below returns a result set with ChargeId, ChargeType, and MostRecentServiceMonth
SELECT
CHARGEID,
CHARGETYPE,
MAX(SERVICEMONTH) AS "MostRecentServiceMonth"
FROM INVOICE
GROUP BY CHARGEID, CHARGETYPE
...
How to search contents of multiple pdf files?
How could I search the contents of PDF files in a directory/subdirectory? I am looking for some command line tools. It seems that grep can't search PDF files.
...
How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
...= np.arange(5)
y = np.exp(x)
fig1, ax1 = plt.subplots()
ax1.plot(x, y)
ax1.set_title("Axis 1 title")
ax1.set_xlabel("X-label for axis 1")
z = np.sin(x)
fig2, (ax2, ax3) = plt.subplots(nrows=2, ncols=1) # two axes on figure
ax2.plot(x, z)
ax3.plot(x, -z)
w = np.cos(x)
ax1.plot(x, w) # can continue ...
Why are arrays covariant but generics are invariant?
... did not include generics (a.k.a. parametric polymorphism).
In such a setting, making arrays invariant rules out useful polymorphic programs.
For example, consider writing a function to shuffle an array, or a function that tests two arrays for equality using the Object.equals method on the el...
Mac zip compress without __MACOSX folder?
...e. Likewise, Mac tools will consume the __MACOSX/ subdirectory in order to set resource forks, and you'll never even see it. However, if you use Mac tools to create the zip file and some other tools to unpack it, you'll get the __MACOSX/ directory and not the resource forks. If you create the file w...
How to use MySQLdb with Python and Django in OSX 10.6?
....6 users, but I haven't been able to find a solution that works. Here's my setup:
23 Answers
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WakeLock 扩展：保持设备唤醒扩展，防止系统休眠和电池优化 · App Inventor 2 中文网
...？
Q: 使用唤醒锁会大量消耗电池吗？
Q: WiFi 锁有什么作用？
Q: 应用被系统杀死怎么办？
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WakeLock 扩展
WakeLock 是一个免费的设备唤醒管理扩...
How does Spring autowire by name when more than one matching bean is found?
...he default behaviour is as though you'd added @Qualifier("country") to the setter method.
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How do I view / replay a chrome network debugger har file saved with content?
...rk debugger, that being said, what programs are out there that let me step forward and backward through multiple 'hars' so I can replay them? if the 'hars' are saved with content, can the replay handle that as well?
...
String to object in JS
...);
alert(myobj.hello); // 'world'
2)
var myobj = JSON.parse(JSON.stringify({
hello: "world"
});
alert(myobj.hello); // 'world'
3)
Passing a function to JSON
var obj = {
hello: "World",
sayHello: (function() {
console.log("I say Hello!");
}).toString()
};
var myobj = JSO...