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C#: yield return within a foreach fails - body cannot be an iterator block

Consider this bit of obfuscated code. The intention is to create a new object on the fly via the anonymous ... return-within-a-foreach-fails-body-cannot-be-an-iterator-block...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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139 views

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validation - Assert keyword in Java

Do you use the assert keyword or throw some validation runtime exception? What benefits does it give to you ... :https://stackoverflow.com/questions/3806173/assert-keyword-in-java...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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260 views

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iphone - Can't compile code when working with CALayer

For some reason I get linker errors when I try and use CALayer: "_OBJC_CLASS_$_CALayer", referenced from: I ... .com/questions/2968071/cant-compile-code-when-working-with-calayer...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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369 views

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WCF - Contract Name could not be found in the list of contracts

I am relatively new to WCF. However, I need to create a service that exposes data to both Silverlight and AJAX client ... -contract-name-could-not-be-found-in-the-list-of-contracts...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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317 views

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html - 100% width is bigger than parent's div

I'm working on vBulletin theme, but on thread list, every thread has 100% for its width but threads are ... .com/questions/18031354/100-width-is-bigger-than-parents-div...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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465 views

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image processing - How to plot a 2D FFT in Matlab?

I am using fft2 to compute the Fourier Transform of a grayscale image in MATLAB. What is the common way to plot ... .com/questions/13549186/how-to-plot-a-2d-fft-in-matlab...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

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Python 3.7 logging: f-strings vs %

(This question already has an answer here): question from:https://stackoverflow.com/questions/54367975/python-3-7-logging-f-strings-vs...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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202 views

1 answer

c# - WCF change endpoint address at runtime

I have my first WCF example working. I have the host on a website which have many bindings. Because ... /stackoverflow.com/questions/5151077/wcf-change-endpoint-address-at-runtime...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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345 views

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c# - How to specify SSL protocol to use for WebClient class

I have an application that sends data to a server using an HTTPS POST. I use a System.Net.WebClient object to ... /30491716/how-to-specify-ssl-protocol-to-use-for-webclient-class...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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137 views

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ios - Instruments > device grayed out

I'm running an app on my iOS device but, in Instruments, that device is greyed out. This also ... from:https://stackoverflow.com/questions/28913801/instruments-device-grayed-out...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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flash - Is it ok for an HTML element to have the same [name] as its [id]?

I'm working on embedding a flash app in a webpage using the Satay method: <object type="application/x-shockwave-flash" data ... -for-an-html-element-to-have-the-same-name-as-its-id...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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526 views

1 answer

rebase - Git squash all commits in branch without conflicting

A common development workflow for us is to checkout branch b, commit a bunch to it, then squash all ... /questions/17354353/git-squash-all-commits-in-branch-without-conflicting...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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229 views

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c# - Is there a faster way than this to find all the files in a directory and all sub directories?

I'm writing a program that needs to search a directory and all its sub directories for files that have a certain extension ... this-to-find-all-the-files-in-a-directory-and-all-sub...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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bit manipulation - How Does The Bitwise & (AND) Work In Java?

I was reading through some code examples and came across a & on Oracle's website on their Bitwise and Bit Shift ... .com/questions/17256644/how-does-the-bitwise-and-work-in-java...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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102 views

1 answer

How to link up XML file with XSLT file?

The examples at http://en.wikipedia.org/wiki/XSLT or http://www.w3schools.com/xsl/tryxslt.asp?xmlfile=cdcatalog&xsltfile ... /3456697/how-to-link-up-xml-file-with-xslt-file...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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276 views

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php - Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 71 bytes)

I'm getting an error when I try to open one of my dashboard pages in my wordpress script The error ... error-allowed-memory-size-of-268435456-bytes-exhausted-tried-to-allocate...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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299 views

1 answer

How to perform arithmetic operations in CSS?

I want to know how can I achieve an arithmetic operation in CSS. For example: I want to align two ... .com/questions/16160806/how-to-perform-arithmetic-operations-in-css...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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578 views

0 answers

Xcode find in document stuck in case-sensitive

When in Xcode editing code for my objective C files, I often press Command-F to bring up the little Find- ... .com/questions/4101875/xcode-find-in-document-stuck-in-case-sensitive...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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855 views

1 answer

xml - What does "@*|node()" in a XSLT apply-template select mean?

I read some XSLT examples and found that code: <xsl:apply-template select="@*|node()"/> What does that ... questions/11167501/what-does-node-in-a-xslt-apply-template-select-mean...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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171 views

1 answer

ReSharper: Namespace does not correspond to file location

I renamed a folder and updated my namespace declarations, but ReSharper 6 claims that the namespace should be ... /9393200/resharper-namespace-does-not-correspond-to-file-location...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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214 views

1 answer

.net - C# compare two objects of unknown types (including reference and value types)

Is it possible in C# to compare two objects of unknown types, (including both reference and value types) using ... -two-objects-of-unknown-types-including-reference-and-value-type...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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366 views

1 answer

c - Differences between using realloc vs. free -> malloc functions

Why would one use realloc() function to resize an dynamically allocated array rather than using free() ... /1401234/differences-between-using-realloc-vs-free-malloc-functions...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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109 views

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Python Equality Check Difference

Suppose we want some block of code to be executed when both 'a' and 'b' are equal to say 5. ... from:https://stackoverflow.com/questions/23220141/python-equality-check-difference...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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448 views

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build - Embed timestamp in object code at compile time with C++

I want to perform a printf() to display when the currently executing code was last compiled. Does C/C++ provide ... /2526933/embed-timestamp-in-object-code-at-compile-time-with-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

1 answer

rubygems - How to install a downloaded Ruby gem file?

How does "gem install" works ? It is not intuitive... My gem is really here : [root@localhost Téléchargement]# ... .com/questions/2386996/how-to-install-a-downloaded-ruby-gem-file...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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269 views

1 answer

del - I don't understand this python __del__ behaviour

Can someone explain why the following code behaves the way it does: import types class Dummy(): def __init__( ... .com/questions/6104535/i-dont-understand-this-python-del-behaviour...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

1 answer

vb.net - Casting a boolean to an integer returns -1 for true?

I am working with some VB.NET code that seems to be casting a boolean value to an integer using CInt(myBoolean). ... /3621037/casting-a-boolean-to-an-integer-returns-1-for-true...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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110 views

1 answer

python - How can I get the name of an object?

Is there any way to get the name of an object in Python? For instance: my_list = [x, y, z] # x, y, z ... ://stackoverflow.com/questions/1538342/how-can-i-get-the-name-of-an-object...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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