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What is the practical use of timestamp column in sql server with example?
    I came across the timestamp datatype in sql server.What is the practical use of timestamp column in sql server ... -practical-use-of-timestamp-column-in-sql-server-with-example...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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javascript - angularjs Watching rootscope changes
    I'm trying to bind to rootscope so that I can set presence on a different server when the user ... https://stackoverflow.com/questions/16888166/angularjs-watching-rootscope-changes...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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java - Why can't this() and super() both be used together in a constructor?
    Why can't this() and super() both be used together in a constructor? What is the reason for incorporating such a ... why-cant-this-and-super-both-be-used-together-in-a-constructor...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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How to update all MySQL table rows at the same time?
    How do I update all MySQL table rows at the same time? For example, I have the table: id | ip | port | ... /questions/6993376/how-to-update-all-mysql-table-rows-at-the-same-time...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Can Google Analytics show me visits by hour?
    I am interested in seeing visits on my site broken down by hour - is there any way to generate a report of ... .com/questions/3632952/can-google-analytics-show-me-visits-by-hour...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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php - How can I make set_error_handler() call a method on an object?
    I think about using the set_error_handler() functionality in PHP to handle most of the PHP errors in one place (logging ... -i-make-set-error-handler-call-a-method-on-an-object...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Should go.sum file be checked in to the git repository?
    I have a program with source code hosted on GitHub that uses Go Modules introduced in go 1.11. go.mod file ... 53837919/should-go-sum-file-be-checked-in-to-the-git-repository...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python pickle gives "AttributeError: 'str' object has no attribute 'write'"
    When I try to pickle something, I get an AttributeError: 'str' object has no attribute 'write' An example ... /python-pickle-gives-attributeerror-str-object-has-no-attribute-write...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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How to list all the roles existing in Oracle database?
    How to list all the roles existing in Oracle database? I have been searching in the tables : ROLE_TAB_PRIVS ... /how-to-list-all-the-roles-existing-in-oracle-database...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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numpy - Inverse Distance Weighted (IDW) Interpolation with Python
    The Question: What is the best way to calculate inverse distance weighted (IDW) interpolation in ... questions/3104781/inverse-distance-weighted-idw-interpolation-with-python...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - Help me understand the difference between CLOBs and BLOBs in Oracle
    This is mainly just a "check my understanding" type of question. Here's my understanding of CLOBs and BLOBs ... help-me-understand-the-difference-between-clobs-and-blobs-in-oracle...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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deployment - How should release notes be written?
    Is there any sort of guidelines or best practices on how release notes should be written? I guess I am ... //stackoverflow.com/questions/638423/how-should-release-notes-be-written...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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angular - Property 'finally' does not exist on type 'Promise<void>'
    I am trying to use the finally method on a promise but I keep getting this error. Property 'finally' ... com/questions/52079031/property-finally-does-not-exist-on-type-promisevoid...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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c# - -event- can only appear on the left hand side of += or -=
    I have an event in a loop. I am trying to prevent the same method being added to an event more than once. I' ... questions/4496799/event-can-only-appear-on-the-left-hand-side-of-or...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Should I use `void 0` or `undefined` in JavaScript
    (This question already has answers here): question from:https://stackoverflow.com/questions/19369023/should-i-use-void-0-or-undefined-in-javascript...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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javascript - Chart area background color chartjs
    I have problem with chart js, i want to coloring chart area like image above I try to find ... ://stackoverflow.com/questions/38493564/chart-area-background-color-chartjs...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - NumPy/OpenCV 2: how do I crop non-rectangular region?
    I have a set of points that make a shape (closed polyline). Now I want to copy/crop all pixels from some ... questions/15341538/numpy-opencv-2-how-do-i-crop-non-rectangular-region...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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unit testing - Why don't my Django unittests know that MessageMiddleware is installed?
    I'm working on a Django project and am writing unittests for it. However, in a test, when I try ... /11938164/why-dont-my-django-unittests-know-that-messagemiddleware-is-installed...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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javascript - JQuery add class to parent element
    I have to set a class name on a (li) element. This script find all the (a) elements in the list, ... :https://stackoverflow.com/questions/3482543/jquery-add-class-to-parent-element...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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css - Is it possible to integrate MaterializeCss into Bootstrap
    I have asked myself (not tested) if it is possible to integrate both bootstrap and materializecss into the ... /28613848/is-it-possible-to-integrate-materializecss-into-bootstrap...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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parsing - Can only 'perl6' parse Perl 6?
    There's that (relatively) well known Perl axiom, "Only perl can parse Perl." I'm wondering, will that remain ... ://stackoverflow.com/questions/5916194/can-only-perl6-parse-perl-6...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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How can I use the UNIX shell to count the number of times a letter appears in a text file?
    I have a few text files and I'd like to count how many times a letter appears in each? Specifically, I'd like to ... -unix-shell-to-count-the-number-of-times-a-letter-appears-in-a...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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What does .delegate mean in groovy?
    I found this code snippet: def say = {println m} say.delegate = [m:2] say() That apperantly prints ... ://stackoverflow.com/questions/8120949/what-does-delegate-mean-in-groovy...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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c++ - How do I recursively create a folder in Win32?
    I'm trying to create a function that takes the name of a directory (C:fooar, or ..fooar..az, or \ ... .com/questions/1530760/how-do-i-recursively-create-a-folder-in-win32...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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design patterns - python - should I use static methods or top-level functions
    I come from a Java background and I'm new to python. I have a couple scripts that share some helper ... /18262595/python-should-i-use-static-methods-or-top-level-functions...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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Call Kotlin suspend function in Java class
    Assume we have the following suspend function: suspend fun doSomething(): List<MyClass> { ... } If I ... .com/questions/52869672/call-kotlin-suspend-function-in-java-class...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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If else in stored procedure sql server
    I have created a stored procedure as follow: Create Procedure sp_ADD_USER_EXTRANET_CLIENT_INDEX_PHY ( @ParLngId int output ) ... /18532663/if-else-in-stored-procedure-sql-server...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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python - What exactly is contained within a obj.__closure__?
    Beazley pg 100 mentions: >>>python.__closure__ (<cell at 0x67f50: str object at 0x69230>,) >>>python. ... com/questions/14413946/what-exactly-is-contained-within-a-obj-closure...
asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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