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Zip lists in Python
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@Sigur: "Convert tuple to list and back "
– David Cary
Aug 29 '17 at 11:47
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Import multiple csv files into pandas and concatenate into one DataFrame
...aframe API. If all the data fits into memory, you can call df.compute() to convert the dataframe into a Pandas dataframe.
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What is the meaning of addToBackStack with null parameter?
...at location. It meant to be used in the method popToBackStack(String name, int flags):
Pop the last fragment transition from the manager's fragment back stack. This function is asynchronous -- it enqueues the request to pop, but the action will not be performed until the application returns to its ...
How to create Java gradle project
... it's very good. @Mike In eclipse, before do this, java project has to be converted to the gradle project. Then, how can I set the source folders automatically?
– verystrongjoe
May 15 '15 at 0:26
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Best way to compare two complex objects
.... For contained collections, use the SequenceEqual extension method, which internally calls IEquatable<T>.Equals or Object.Equals on each element. This approach will obviously require you to extend your types’ definitions, but its results are faster than any generic solutions involving seria...
BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... = 0x11, /* 设备安全管理OOB标志 */
BLE_AD_TYPE_INT_RANGE = 0x12, /* 设备连接参数范围 */
BLE_AD_TYPE_SOL_SRV_UUID = 0x14, /* 设备16bit服务UUID */
BLE_AD_TYPE_128SOL_SRV_UUID = 0x15, /* 设备128bit服务UUI...
How to send a stacktrace to log4j?
...rce Java library with stack trace filtering, Silent String parsing Unicode converter and Version comparison See the paragraph "Stacktrace noise filter"
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Differences between Java 8 Date Time API (java.time) and Joda-Time
....Calendar (although latter is not type-safe at all due to excessive use of ints).
Performance
See the other answer by @OO7 pointing to the analysis of Mikhail Vorontsov although point 3 (exception catching) is probably obsolete - see this JDK-bug. The different performance (which is in general fav...
Entity Framework Timeouts
...out parameter. I had to set both time out values for it to work properly.
int? prevto = uow.Context.Database.CommandTimeout;
uow.Context.Database.CommandTimeout = 900;
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, TimeSpan.FromSeconds(900))) {
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}
At the ...
My images are blurry! Why isn't WPF's SnapsToDevicePixels working?
...me images with different crazy DPI values and I couldn't ask the client to convert them all, so I had to use this hack.
– JustAMartin
Nov 28 '12 at 20:44
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