大约有 40,000 项符合查询结果(耗时:0.0278秒) [XML]

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How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?

...rrect in the build settings. You need to make sure the correct profile is selected for the "Debug" configuration, and to be safe, that you have selected the correct profile for both the "Debug" and child-node labelled "Any iOS SDK": Although this screenshot shows the "Automatic Developer" profil...
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How do I create test and train samples from one dataframe with pandas?

... scikit learn's train_test_split is a good one. from sklearn.model_selection import train_test_split train, test = train_test_split(df, test_size=0.2) share | improve this answer ...
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Difference between Select and ConvertAll in C#

... Select is a LINQ extension method and works on all IEnumerable<T> objects whereas ConvertAll is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5. You s...
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UITextView style is being reset after setting text property

... Sitting with this for hours, I found the bug. If the property "Selectable" = NO it will reset the font and fontcolor when setText is used. So turn Selectable ON and the bug is gone. share | ...
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How to increase font size in the Xcode editor?

...) Go to XCode > Preferences > Fonts & Color From the 'Theme' box select the theme you want to modify (or select the theme you want to modify and click the "+" button at the bottom of the theme list to clone it first for backup, for there is no undo option) In the source editor box there is...
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Intellij IDEA: Hotkey for “scroll from source”

... In the latest IntelliJ IDEA, there is a keymap entry called "Select in Project View" with no default shortcut. Just add a shortcut key to it. No need for a plugin. share | improve thi...
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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?

...nerable to certain attack vectors. Imagine the following SQL: $result = "SELECT fields FROM table WHERE id = ".mysql_real_escape_string($_POST['id']); You should be able to see that this is vulnerable to exploit. Imagine the id parameter contained the common attack vector: 1 OR 1=1 There's no...
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Better techniques for trimming leading zeros in SQL Server?

... Why don't you just cast the value to INTEGER and then back to VARCHAR? SELECT CAST(CAST('000000000' AS INTEGER) AS VARCHAR) -------- 0 share | improve this answer | ...
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IIS - 401.3 - Unauthorized

... configuration of your site, modify the "Anonymous authentication" line by selecting "Identity of the application pool" instead of "Specific user". share | improve this answer | ...
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SQL - Query to get server's IP address

... SELECT CONNECTIONPROPERTY('net_transport') AS net_transport, CONNECTIONPROPERTY('protocol_type') AS protocol_type, CONNECTIONPROPERTY('auth_scheme') AS auth_scheme, CONNECTIONPROPERTY('local_net_address') AS loc...