大约有 47,000 项符合查询结果(耗时:0.0658秒) [XML]

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Multiple commands in gdb separated by some sort of delimiter ';'?

...active if the command # that invoked them is interactive. # to_string is false. We just want to write the output of the commands, not capture it. gdb.execute(fragment, from_tty=from_tty, to_string=False) print() Cmds() end example invocation: $ gdb (gdb) cmds echo hi ; e...
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Why does the 260 character path length limit exist in Windows?

...r. For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>" represents the invisible terminating null character for the current system codepage. (The characters < > are used here for visual clarity and cannot be part of a valid path string....
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How to use java.net.URLConnection to fire and handle HTTP requests?

...et. The parameters are optional and depend on the functional requirements. String url = "http://example.com"; String charset = "UTF-8"; // Or in Java 7 and later, use the constant: java.nio.charset.StandardCharsets.UTF_8.name() String param1 = "value1"; String param2 = "value2"; // ... String quer...
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Convert UTC date time to local date time

... Append 'UTC' to the string before converting it to a date in javascript: var date = new Date('6/29/2011 4:52:48 PM UTC'); date.toString() // "Wed Jun 29 2011 09:52:48 GMT-0700 (PDT)" ...
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Default value in Doctrine

...can use: <?php /** * @Entity */ class myEntity { /** * @var string * * @Column(name="myColumn", type="string", length="50") */ private $myColumn = 'myDefaultValue'; ... } PHP-level default values are preferred as these are also properly available on newly crea...
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JSONDecodeError: Expecting value: line 1 column 1 (char 0)

...or is due to : non-JSON conforming quoting XML/HTML output (that is, a string starting with <), or incompatible character encoding Ultimately the error tells you that at the very first position the string already doesn't conform to JSON. As such, if parsing fails despite having a data-bo...
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Null vs. False vs. 0 in PHP

...ot found anything, but 0 if it has found something at the beginning of the string ! <?php // pitfall : if (strrpos("Hello World", "Hello")) { // never exectuted } // smart move : if (strrpos("Hello World", "Hello") !== False) { // that works ! } ?> And of course, if you deal with ...
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Tab space instead of multiple non-breaking spaces (“nbsp”)?

... I used this in a case for Swing JTable headers with a String value and an HTML arrow-type character, where I needed this character as a separator. Works great! Thanks! – Blake Neal Mar 27 '17 at 19:47 ...
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Selecting a row of pandas series/dataframe by integer index

...operator, [] is to select columns. When the indexing operator is passed a string or integer, it attempts to find a column with that particular name and return it as a Series. So, in the question above: df[2] searches for a column name matching the integer value 2. This column does not exist and a ...
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How to do what head, tail, more, less, sed do in Powershell? [closed]

... typed structure, eg. dates remain DateTime instances – rather than just strings, which each command needs to parse itself, much of sed and other such programs are redundant. share | improve this ...