如何在Python中将字符串截断为75个字符?
这是在JavaScript中完成的:
var data="saddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddsaddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddsadddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
var info = (data.length > 75) ? data.substring[0,75] + '..' : data;
Run Code Online (Sandbox Code Playgroud) 如何将此字符串拆分__为分隔符
MATCHES__STRING
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要获得输出['MATCHES', 'STRING']?
在django中如何检查查询是否存在任何条目
sc=scorm.objects.filter(Header__id=qp.id)
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这就是它在php中的表现
if(mysql_num_rows($resultn)) {
// True condition
}
else {
// False condition
}
Run Code Online (Sandbox Code Playgroud) 在Django请求中,我有以下内容
POST:<QueryDict: {u'section': [u'39'], u'MAINS': [u'137']}>
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如何获得的价值section和MAINS?
if request.method == 'GET':
qd = request.GET
elif request.method == 'POST':
qd = request.POST
section_id = qd.__getitem__('section') or getlist....
Run Code Online (Sandbox Code Playgroud) 使用jquery删除如何删除除第一个之外的所有span标记..
EDIT
var html = var htm = $("#addin").find(".engagement_data:last-child").find(".keys_values").html();
html='
<span style="display:block;" class="k_v">
<innput type="text" class="e_keys" style="width:65px;" placeholder="key"/>
<input type="text" class="e_values" style="width:65px;" placeholder="value"/>
</span>
<span style="display:block;" class="k_v">
<input type="text" class="e_keys" style="width:65px;" placeholder="key"/>
<input type="text" class="e_values" style="width:65px;" placeholder="value"/>
</span>
';
Run Code Online (Sandbox Code Playgroud) 如何计算Python中以下时间戳的时间差(以分钟为单位)?
2010-01-01 17:31:22
2010-01-03 17:31:22
Run Code Online (Sandbox Code Playgroud) 我有一个textarea,如下面的代码,如何在它的左侧显示行号.
有jquery插件吗?
<TEXTAREA name="program" id="program" rows="15" cols="65" ></TEXTAREA>
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